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1. Find the vertex of A=-w²+30w?

(15,225)

(10,225)

(30,2)

None of the above

2. Use substitution to solve this linear system
y=5x-2
6x+3y=36.

(8,2)

(2,8)

(4,1)

(1,4)

3. Is triangle PQR with vertices p(2,1), Q(-1,-3) and R(6,-2), an isosceles, equilateral or scalene triangle?

Isosceles

Equilateral

Scalene

4. Expand (2x+3)(3x-7).

6x^2+9x-14x-21

6x^2-5x-21

6x-10

6x^2-10

5. Find the distance from P(3,-5) to the origin to one decimal place.

5.6

4.8

5.7

5.8

6. Find the equation of the perpendicular bisecotr of the line segment joining P(-1,4) to Q(3,-2).

Y=1/3x+2/3

Y=3x+3/2

Y=2/3x+1/3

Y=2/3x+3

7. The zeros of a parabola are -3 and 5. The parabola crosses the y-axis at -75. What is the equation of the quadratic equation.

Y=(x+3)(x-5)

Y=3(x-5)(x+5)

Y=5(x-3)(x+5)

None of the above

8. What are the transformations of y=1/2(x-3)²-1?

Vertically stretched by a factor of 1/2, horizontally shifted right 3, vertically shifted down 1

Vertically stretched by a factor of 1/2, horizontally shifted left 3, vertically shifted down 1

Horizontally stretched by a factor of 1/2, horizontally shifted left 3, vertically shifted down 1

Horizontally stretched by a factor of 1/2, horizontally shifted right 3, vertically shifted down 1

9. A glassworks that makes lead-cyrstal bowls has a daily production cost C in dollars given by the relation C=0.2b² - 10b +650, where b is the number of bowls made. How many bowls should be made to minimize the production cost?

10

5

20

25

10. How many roots does -5x²+8x-10=0 have

0

1

2

However many I want

11. A triangle lot sits at the corner of 2 streets that intersects at an angle of 58 degrees. One street side of the lot is 32m and the other is 40m. How long is the back of lot (the third side), to the nearest metre? (Use a diagram)

25

30

36

None of the above

12. Find angle B when

50 degrees

52 degrees

Sin B=(12 sin 48 degrees)/11.3

Both c and b

13. Nicole owns a candy store. She sells hard candy for $2/kg and soft candy for $4/kg. How can she mix the two types of candy to create 60kg of mixture that she can sell for $3/kg?

60 kg soft candy 0kg hard candy

45 kg soft candy and 15 hard candy

30 kg soft candy 30 kg hard candy

26 kg soft candy 34 kg hard candy

14. Determine the degree of the polynomial y=x(x²+2x+1)

1st degree

2nd degree

3rd degree

No degree

15. Find the equation of a line when it passes through the origin and has an angle of inclination of 35 degree.

Y=0.7x

Y=0.6x

Y=0.8x

I don't understand

16. Marshal kicked a soccer ball modeled by the equation y=-4.9x² + 20.58x +0.491. How long is the ball in the air?

4.22

0.02

-0.02

4.22 or -0.02

17. Mr. Horgan enjoys holding dances for all of his shark friends. Mr. Horgan created an equation to model his revenue: R=-60t²+600t. Find the maximum profit and the ticket price that yields this profit.

Ticket Price:$983.75 with Profit of $5.75

Ticket Price $1.70 with Profit of $9.80

Ticket Price: $5.75 with Profit of $983.75

Mr. Horgan likes Sharks???!!!

18. Solve for all unknown (q,y, and x).