Grade 11 Factoring Expressions Quiz

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  • 1/10 Questions

    What is the missing factor? x2 + 5x – 14 = (x +7)(?)

    • X–14
    • X+2
    • –2x
    • X–2
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About This Quiz

How good are you at algebraic expressions? Take this Grade 11 factoring expressions quiz, and see how much you score. If you have algebra a lot, it will be a smooth and easy quiz. So, proceed with the quiz to find out in which specific formulas you need more practice. All the best! Hope you will get a 100% score and prove your algebraic knowledge. You can also share the quiz with others who wish to practice this math concept.

Grade 11 Factoring Expressions Quiz - Quiz

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  • 2. 
    The area of the rectangle is x2+8x+12. If the length is x+2, what is the width? - ProProfs

    The area of the rectangle is x2+8x+12. If the length is x+2, what is the width?

    • X+3

    • X+4

    • X+6

    • X+10

    Correct Answer
    A. X+6
    Explanation
    The area of a rectangle is found by multiplying its length by its width. In this case, the area is given as x^2 + 8x + 12. We are also given that the length is x+2. To find the width, we can divide the area by the length. When we divide x^2 + 8x + 12 by x+2, we get x+6. Therefore, the width of the rectangle is x+6.

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  • 3. 

    What is the missing factor? –7y + y2 – 18 = (?)(y+2)

    • Y+9

    • Y–6

    • Y–7

    • Y–9

    Correct Answer
    A. Y–9
    Explanation
    In the equation -7y + y^2 - 18 = ( ? )(y+2), the missing factor can be determined by comparing the given equation with the answer choices. By analyzing the equation, it can be observed that the missing factor should be y-9. This is because when y-9 is multiplied by (y+2), it will result in -7y + y^2 - 18, which is the same as the left side of the equation. Therefore, y-9 is the missing factor that completes the equation.

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  • 4. 

    Factor completely: k2 -2k - 24

    • (k+4)(k-6)

    • (k+4)(k+6)

    • (k+6)(k-1)

    • (k-4)(k+6)

    Correct Answer
    A. (k+4)(k-6)
    Explanation
    The given quadratic expression can be factored as (k+4)(k-6). This can be determined by finding two numbers whose product is -24 and whose sum is -2. The numbers -4 and 6 satisfy these conditions, so the expression can be written as (k-6)(k+4).

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  • 5. 

    Factor the quadratic equation fully. –2x2 – 12x – 16

    • (x+2)(x+4)

    • –2(x+2)(x+4)

    • (–2x+8)(x–2)

    • 2(x–2)(x–4)

    Correct Answer
    A. –2(x+2)(x+4)
    Explanation
    The given quadratic equation is -2x^2 - 12x - 16. To factor it fully, we can find the common factors of the terms. The common factor here is -2. Factoring out -2, we get -2(x^2 + 6x + 8). Now, we need to factor the quadratic expression inside the parentheses. The factors of 8 that add up to 6 are 2 and 4. So, we can write the quadratic expression as (x + 2)(x + 4). Putting it all together, the fully factored form of the quadratic equation is -2(x + 2)(x + 4).

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  • 6. 

    Which shows the factorization of the polynomial? w2–5w+6

    • (w–5)(w–1)

    • (w–3)(w+2)

    • (w–2)(w–3)

    • (w+1)(w–6)

    Correct Answer
    A. (w–2)(w–3)
    Explanation
    The correct answer is (w–2)(w–3). This is the factorization of the given polynomial w^2–5w+6. By multiplying (w–2) and (w–3) together using the distributive property, we get w^2–2w–3w+6, which simplifies to w^2–5w+6. Therefore, (w–2)(w–3) is the correct factorization.

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  • 7. 
    Jasmine painted this design using black and white paint.  She used (x2+x–6)/2 cm2 of red paint.  What are the dimensions of the black triangle? - ProProfs

    Jasmine painted this design using black and white paint.  She used (x2+x–6)/2 cm2 of red paint.  What are the dimensions of the black triangle?

    • B=x–6; h=x+1

    • B=x–1; h=x–5

    • B=x–2;h=x+3

    • B=x+2;h=x–3

    Correct Answer
    A. B=x–2;h=x+3
    Explanation
    The dimensions of the black triangle are b=x-2 and h=x+3.

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  • 8. 

    The formula for the surface area of a cube is SA=6e2.  If the surface area of this cube is 6x2–24x–24, what is the measure of one edge?

    • X–2

    • X–4

    • X+2

    • X–6

    Correct Answer
    A. X–2
    Explanation
    The given surface area of the cube is 6x^2 - 24x - 24. Comparing this with the formula SA = 6e^2, we can equate the expressions: 6x^2 - 24x - 24 = 6e^2. Simplifying this equation, we get x^2 - 4x - 4 = e^2. Since e represents the measure of one edge, the measure of one edge is equal to x - 2. Therefore, the correct answer is x - 2.

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  • 9. 

    Which value for k will allow this polynomial to be factored? x2+kx+18

    • 6

    • 7

    • 8

    • 11

    Correct Answer
    A. 11
    Explanation
    To factor a polynomial, we need to find two binomials that multiply together to give us the original polynomial. In this case, we have x^2 + kx + 18. The coefficient of x^2 is 1, so the binomials will have the form (x + a)(x + b). To find the values of a and b, we need to find two numbers that add up to k and multiply to 18. The only pair of numbers that satisfies this condition is 9 and 2. Therefore, the polynomial can be factored as (x + 9)(x + 2). To make this possible, k must be equal to 11.

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  • 10. 

    Which trinomial does not have (x–2) as a factor?

    • X^2–4

    • X^2–5x+6

    • X^2+x–6

    • X^2–2x–8

    Correct Answer
    A. X^2–2x–8
    Explanation
    The trinomial x^2–2x–8 does not have (x–2) as a factor because when we factor out (x–2) from the trinomial, we get (x–4)(x+2), not (x–2)(x+4). Therefore, x^2–2x–8 is the correct answer.

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  • Current Version
  • Aug 28, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 23, 2009
    Quiz Created by
    Seixeiroda
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