Question 1

What is the vertex point for y = –$2x^2$ –$ 8x$ + 3?

Accepted Answer

(-2,11)

Answer

(1, -7)

Answer

(2, -5)

Answer

(0, 0)

Question 2

What is the equation of the graph shown?

Accepted Answer

f(x) = $-2x^2$ +$ 2x$ + 1

Answer

f(x) = $2x^2$ -$ 2x$ + 1

Answer

f(x) =$ 2x^2$ +$ 2x$ + 1

Answer

f(x) = $-2x^2$ + $2x$ - 1

Question 3

Use the quadratic formula to solve $3y^2$ + 2 = $8y$. Approximate the solutions to the nearest hundredth.

Accepted Answer

0.28, 2.39

Answer

0.43, 2.87

Answer

-0.64, 1.32

Answer

0.56, 4.77

Question 4

Use the quadratic formula to solve $x^2$ +$ 4x$ + 5 = 0

Accepted Answer

no solution

Answer

5

Answer

-1, -4

Answer

-1

Question 5

Use the quadratic formula to solve$ x^2 $+$ 2x$ - 8 = 0

Accepted Answer

-4, 2

Answer

-2

Answer

-4, -2

Answer

-4

Question 6

PHYSICAL SCIENCE A projectile is shot vertically from ground level. Its height h, in feet, after t seconds is given by h = $88t$ – $16t^2$. Will the projectile have a height of 125 feet 0, 1, or 2 times after being shot?

Accepted Answer

0

Answer

2

Answer

1

Question 7

Solve the equation -6(3n-2)=4(-3-2n)

Accepted Answer

2.4

Answer

$\frac {-12}{13}$

Answer

$\frac {1}{6}$

Answer

2.5

Question 8

Solve the equation $16y^2$-$8y$=0

Accepted Answer

0, $\frac {1}{2}$

Answer

2

Answer

$\frac {-12}{13}$

Answer

$\frac {1}{2}$

Question 9

Solve (3n+2)(n-2) = 0.

Accepted Answer

-$\frac {2}{3}$, 2

Answer

,$\frac {1}{2}$

Answer

2

Answer

, $\frac {-2}{3}$, $\frac {2}{3}$

Question 10

Solve $49w^2$ - 25 = 0

Accepted Answer

$\frac {5}{7}$,  $\frac {-5}{7}$

Answer

24

Answer

$\frac {25}{49}$

Answer

$\frac {5}{7}$

Related quizzes

Related quizzes