Benchmark 2 Multiple Choice

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1. Solve the equation. *Final solution should be written as a decimal (0.5) 

Explanation

The given equation is already solved and the final solution is written as a decimal, which is 0.8. The equation is presented in different forms, such as 0.8, .8, x=.8, and x=0.8, but they all represent the same value, which is 0.8.

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About This Quiz
Function Graphs Quizzes & Trivia

Benchmark 2 Multiple Choice evaluates key mathematical skills, focusing on algebraic expressions, graph interpretation, and problem-solving. It tests understanding of concepts like velocity, graph points, and x-intercepts, essential... see morefor academic progress and standardized tests. see less

2. Find the x-intercept for the equation y = 2x-6X- intercept is (_____, 0)*Only type what you would put in the blank

Explanation

The x-intercept of an equation represents the point where the graph of the equation intersects the x-axis. To find the x-intercept, we set y equal to zero and solve for x. In this equation, y = 2x - 6, we can set y = 0 and solve for x. By substituting 0 for y, we get 0 = 2x - 6. Solving this equation, we find that x = 3. Therefore, the x-intercept is (3, 0).

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3. John left his home and walked 4 blocks to his school, as shown in the accompanying graph. What is one possible interpretation of section C?

Explanation

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4. Which one of the below does NOT have an x-intercept?

Explanation

The equation y = -7 represents a horizontal line with a y-coordinate of -7. Since it is a horizontal line, it does not intersect the x-axis and therefore does not have an x-intercept.

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5. A store sells ropes in different lengths. This table shows the weights of rope with different lengths. Which equation represents the relationship between the length of the rope (L) in feet and weight (w), in ounces?

Explanation

The equation w = 0.75(L) represents the relationship between the length of the rope (L) in feet and weight (w) in ounces. This equation implies that the weight of the rope is 0.75 times the length of the rope.

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6. Sue earns $2 for each CD that she sells and $2.50 for each DVD that she sells. Sue earned a total of $950 last week. Given that Sue sold 305 CD's last week, how many DVD's did she sell?

Explanation

Sue earns $2 for each CD and $2.50 for each DVD sold. Let's assume she sold x DVDs. The total amount she earned can be calculated as 2(305) + 2.50(x) = 950. Simplifying this equation gives us 610 + 2.50x = 950. By subtracting 610 from both sides, we get 2.50x = 340. Dividing both sides by 2.50 gives us x = 136. Therefore, Sue sold 136 DVDs.

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7. What is the solution to the system?y = x + 63x + 2y = 2

Explanation

The correct answer is (-2, 4) because when we substitute the values of x and y into the system of equations, we get the following:
y = x + 6
4 = -2 + 6
4 = 4
This shows that the values (-2, 4) satisfy both equations in the system.

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8. X = _____ , _____

Explanation

The given answer suggests that the values in the list "x" are 3 and -9, and they are repeated in reverse order. This means that the list "x" contains the values 3 and -9 twice, with the first occurrence having 3 followed by -9, and the second occurrence having -9 followed by 3.

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9. The length of a rectangular garden is 7 more yards that it's width. The area of the garden is 60 square yards. What is the length of the garden?

Explanation

Let's assume the width of the garden is x yards. According to the given information, the length of the garden is 7 more yards than its width, which means the length is x + 7 yards. The area of a rectangle is calculated by multiplying its length and width, so we have the equation (x)(x + 7) = 60. By solving this equation, we find that x = 5. Therefore, the width of the garden is 5 yards and the length is 5 + 7 = 12 yards.

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10. Identify the zero's of the quadratic. Select ALL that apply.

Explanation

The zeros of a quadratic equation are the values of x where the equation equals zero. In this case, the quadratic equation has zeros at x = -2 and x = 1. These values can be found by setting the quadratic equation equal to zero and solving for x. The other values (-1, 2, and -1.5) are not zeros of the quadratic equation.

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11. Mark your selection below.

Explanation

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12. Mark your selection below.

Explanation

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13. An equilateral triangle has a perimeter of 54 inches. If each side measures (2x + 6) inches, what is the value of x?

Explanation

In an equilateral triangle, all sides are equal in length. Therefore, if each side measures (2x + 6) inches, the perimeter of the triangle would be 3 times that length. Since the perimeter is given as 54 inches, we can set up the equation 3(2x + 6) = 54 and solve for x. Simplifying the equation gives 6x + 18 = 54. Subtracting 18 from both sides gives 6x = 36. Dividing both sides by 6 gives x = 6. Therefore, the value of x is 6.

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14. Which of the below are the graph for 3x + 6y = 9

Explanation

The correct answer is B because it represents the graph of the equation 3x + 6y = 9. The equation is in standard form, where the coefficients of x and y are not equal. This means that the graph will be a straight line. By rearranging the equation to y = (-1/2)x + 3/2, we can see that the slope is -1/2 and the y-intercept is 3/2. This matches the equation of the line in graph B, confirming that it is the correct representation of the equation.

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15. Which of the below is the correct factoring for the expression?

Explanation

The given expression is (x + 6) (x - 2). To factorize this expression, we need to find two binomials whose product is equal to the given expression. The correct factoring is (3x - 2) (x + 2) because when we multiply these two binomials, we get (3x * x) + (3x * 2) + (-2 * x) + (-2 * 2) which simplifies to 3x^2 + 6x - 2x - 4. This is equal to the original expression (x + 6) (x - 2), confirming that (3x - 2) (x + 2) is the correct factoring.

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16. Four friends are planning a party at a skating rink. The group must pay $3 for each person attending the party and have purchased $36 worth of snacks. If each friend contributes $21 to pay for the party, what is the maximum number of people that can attend the party?

Explanation

Each person attending the party must pay $3, and the friends have contributed a total of $21. Therefore, they can pay for a maximum of $21/$3 = 7 people. Additionally, they have purchased $36 worth of snacks. So, the total amount of money available to pay for the party is $21 + $36 = $57. Since each person attending the party costs $3, the maximum number of people that can attend the party is $57/$3 = 19. Therefore, the correct answer is 19.

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17. Mark your selection below.

Explanation

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18. Select your solution below

Explanation

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19. The graph of which function has x-intercepts of (-4, 0) and (7, 0)

Explanation

The correct answer is y = (x + 4) (x - 7) because this function has x-intercepts of (-4, 0) and (7, 0). When the value of x is -4, the first factor (x + 4) becomes 0, resulting in y = 0. Similarly, when the value of x is 7, the second factor (x - 7) becomes 0, resulting in y = 0. Therefore, both x-intercepts are satisfied by this function.

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20. Which points are on the graph of the equation -3x + 6y + 5 = -7Select all that apply.

Explanation

The equation -3x + 6y + 5 = -7 can be simplified to -3x + 6y = -12. To find the points on the graph, we can substitute the x and y values from each given point into the equation and check if it satisfies the equation. Substituting (0, -2) gives -3(0) + 6(-2) = -12, which is true. Substituting (8, 2) gives -3(8) + 6(2) = -12, which is also true. Therefore, the points (0, -2) and (8, 2) are on the graph of the equation.

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21. Mark your selection below.

Explanation

The explanation for the correct answer is not available as the question is incomplete and the options are not provided.

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22. Select the option that best solves the problem above 

Explanation

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23. Mark the solutions for the equation below. Select all that apply.

Explanation

The equation is x = -1, x = 1, x = 3/2, x = 2/3, x = -6. The correct solutions for the equation are x = 1 and x = 3/2. These values satisfy the equation and make it true.

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24. Select all the values below that are a part of the solution set to the inequality.3(x + 2) - 7 < 5x + 3 

Explanation

The inequality given is 3(x + 2) - 7 -2. Therefore, the values -1, 4, and 0 are all part of the solution set.

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25. Match the following using the expressions in the picture.
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Solve the equation. *Final solution should be written as a...
Find the x-intercept for the equation y = 2x-6X- intercept is (_____,...
John left his home and walked 4 blocks to his school, as shown in the...
Which one of the below does NOT have an x-intercept?
A store sells ropes in different lengths. This table shows the weights...
Sue earns $2 for each CD that she sells and $2.50 for each DVD that...
What is the solution to the system?y = x + 63x + 2y = 2
X = _____ , _____
The length of a rectangular garden is 7 more yards that it's...
Identify the zero's of the quadratic. Select ALL that apply.
Mark your selection below.
Mark your selection below.
An equilateral triangle has a perimeter of 54 inches. If each side...
Which of the below are the graph for 3x + 6y = 9
Which of the below is the correct factoring for the expression?
Four friends are planning a party at a skating rink. The group must...
Mark your selection below.
Select your solution below
The graph of which function has x-intercepts of (-4, 0) and (7, 0)
Which points are on the graph of the equation -3x + 6y + 5 = -7Select...
Mark your selection below.
Select the option that best solves the problem above 
Mark the solutions for the equation below. Select all that apply.
Select all the values below that are a part of the solution set to the...
Match the following using the expressions in the picture.
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