Quiz about Quadratic Functions

Question 1

What are the zeros of the function?

Accepted Answer

$$\left\{-2,\ 1\right\}$$

Answer

$$\left\{-1,\ 2\right\}$$

Answer

$$\left\{0\right\}$$

Answer

$$\left\{0,\ 1\right\}$$

Question 2

What are the solutions of the function?

Accepted Answer

$$\left\{-1,\ 5\right\}$$

Answer

$$\left\{1,\ -5\right\}$$

Answer

$$\left\{0,\ -1\right\}$$

Answer

$$\left\{0,\ 5\right\}$$

Question 3

What are the roots of the function?

Accepted Answer

$$\left\{-4,\ 0\right\}$$

Answer

$$\left\{-1,\ -3\right\}$$

Answer

$$\left\{-2,-4\right\}$$

Answer

$$\left\{0,\ 4\right\}$$

Question 4

What are the x-intercepts?

Accepted Answer

$$\left\{-1,\ 3\right\}$$

Answer

$$\left\{0,\ -1\right\}$$

Answer

$$\left\{0,\ 3\right\}$$

Answer

$$\left\{-3,\ 1\right\}$$

Question 5

What are the zeros of the function?

$$y=2x^2-32$$

Accepted Answer

$$\left\{-4,\ 4\right\}$$

Answer

$$\left\{0,\ -16\right\}$$

Answer

$$\left\{-4,\ 0\right\}$$

Answer

$$\left\{4,\ 0\right\}$$

Question 6

What are the roots?

$$y=5x^2+5x-30$$

Accepted Answer

$$\left\{-3,\ 2\right\}$$

Answer

$$\left\{-2,\ 3\right\}$$

Answer

$$\left\{0,-30\right\}$$

Answer

$$\left\{2,\ 0\right\}$$

Question 7

The standard form of a quadratic equation is $$y=ax^2+bx+c$$ .

What is a in the following equation?

$$y=-x^2-2x+24$$

Accepted Answer

$$a=-1$$

Answer

$$a=1$$

Answer

$$a=-2$$

Answer

$$a=24$$

Question 8

What are the zeros of the following function?

$$y=-x^2-2x+24$$

Accepted Answer

$$\left\{-6,\ 4\right\}$$

Answer

$$\left\{-4,\ 6\right\}$$

Answer

$$\left\{0,\ 24\right\}$$

Answer

$$\left\{-1,\ 25\right\}$$

Question 9

The standard form of a quadratic equation is $$y=ax^2+bx+c$$ .

What is b in the following equation?

$$y=x^2-3x-28$$

Accepted Answer

$$b=-3$$

Answer

$$b=1$$

Answer

$$b=3$$

Answer

$$b=-28$$

Question 10

Which is a zero of $$y=x^2-5x+6$$ ?

Accepted Answer

$$3$$

Answer

$$-3$$

Answer

$$-2$$

Answer

$$2.5$$

Question 11

What is the vertex of the graph shown?

Accepted Answer

$$\left(3,1\right)$$

Answer

$$\left(0,7\right)$$

Answer

$$\left(1,3\right)$$

Answer

$$\left(3,-1\right)$$

Question 12

What is the y-intercept of the graph shown?

Accepted Answer

$$\left(0,3\right)$$

Answer

$$\left(-1,4\right)$$

Answer

$$\left(-3,0\right)$$

Answer

$$\left(1,0\right)$$

Question 13

What is the vertex?

$$y=x^2-4x+10$$

Accepted Answer

$$\left(2,6\right)$$

Answer

None

Answer

$$\left(0,10\right)$$

Answer

$$\left(6,2\right)$$

Question 14

Which is a zero of the quadratic function?

$$y=x^2-11x+28$$

Accepted Answer

$$7$$

Answer

$$-4$$

Answer

$$-7$$

Answer

$$5.5$$

Question 15

What is the range of the function?

Accepted Answer

$$y\le4$$

Answer

$$y\ge4$$

Answer

$$y\ge1$$

Answer

$$y\le1$$

Quadratic Functions

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