Quiz about Staar Quadratics

Question 1

Question 1.

Accepted Answer

-3

Answer

3

Answer

9

Answer

-9

Question 2

If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t² +128t
When will the object reach its maximum height?

Accepted Answer

4 seconds

Answer

4 ft

Answer

0 seconds

Answer

0 ft

Question 3

Find the vertex of
f(x) = -x²- 4x + 12.

Accepted Answer

(-2, 16)

Answer

(2, 0)

Answer

(2, 4)

Answer

(-2, 4)

Question 4

Find the sum.
(2x²+ 5x - 7) + (3 - 4x²+ 6x)

Accepted Answer

-2x² + 11x - 4

Answer

2x²+ 3x + 1

Answer

-2x²- 11x - 4

Answer

2x² + 5x - 7

Question 5

Find the difference.
(3 - 2x + 2x²) - (4x - 5 + 3x²)

Accepted Answer

-x²-6x + 8

Answer

x_² + 6x + 8

Answer

2x²+ 5x - 7

Answer

-2x² + 11x - 4

Question 6

Which of the following is one of the roots of the function? f(x) = (x+3)(x-6)

Accepted Answer

-3

Answer

2

Answer

-2

Answer

-6

Question 7

Question 7.

Accepted Answer

-22

Answer

.5

Answer

-3

Answer

HINT: TYPE INTO "Y="

Question 8

Question 8.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 9

Which graph best represents a quadratic function that has only one zero?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 10

Question 10.

Accepted Answer

$$h\left(x\right)=x^2+2x-3$$

Answer

$$h\left(x\right)=x^2-2x-3$$

Answer

$$h\left(x\right)=x^2+4x+3$$

Answer

$$h\left(x\right)=x^2-4x+3$$

Question 11

Which statement appears to be true?

Accepted Answer

The equation of the axis of symmetry of the graph of the function is $$x=1$$

Answer

The function has 3 zeros.

Answer

The maximum value of the function is 3.

Answer

The vertex of the graph of the function is $$\left(4, 1\right)$$ .

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics