Quiz about Intro Quadratics

Question 1

What is the green dashed line called?

Accepted Answer

line of symmetry

Answer

x-intercepts

Answer

parabola

Answer

y intercept

Answer

vertex

Question 2

What is the green dot on the parabola called?

Accepted Answer

vertex

Answer

line of symmetry

Answer

y-intercept

Answer

x-intercept

Question 3

What are the coordinates of the vertex?

Accepted Answer

(2,4)

Answer

(4,0)

Answer

(0,0)

Answer

(0,-1)

Question 4

What is the y-intercept of this parabola?

Accepted Answer

(0, 3)

Answer

(0, -1)

Answer

(-1, 0)

Answer

(3, 0)

Answer

(1, 4)

Question 5

A quadratic function is a function that is shaped as a ___________, a u-shaped curve.

Accepted Answer

parabola

Answer

line

Answer

quadratic

Answer

square

Question 6

What is the standard form of a Quadratic function?

Accepted Answer

ax2+bx+c

Answer

ax2+bx-c

Answer

ax2-bx+c

Answer

ax2-bx-c

Question 7

Which of the following represents a quadratic function?

Accepted Answer

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

Answer

$$y = 2x + 3$$

Answer

$$y = x^3 - 4x + 6$$

Answer

$$y = 2^x$$

Question 8

A Quadratic Function is... (check all that apply)

Accepted Answer

has a vertex

Accepted Answer

called a parabola

Accepted Answer

a "U" shape

Answer

the end behaviors go in opposite directions

Answer

appearing to go flat on one side

Question 9

Quadratic function have a second degree.

Accepted Answer

True

Answer

False

Question 10

What is the parent function of a quadratic equation?

Accepted Answer

f(x)=x2

Answer

f(x)=x

Answer

f(x)=ax²+bx+c

Answer

f(x)=a(x-h)²+k

Question 11

What is the x-value for the vertex of $$y=x^2-2x+3$$ ?

Accepted Answer

1

Answer

3

Answer

2

Answer

5

Question 12

Which answer choice describes y = -3x² +7x - 2 accurately?

Accepted Answer

opens down with a maximum

Answer

opens up with a maximum

Answer

opens up with a minimum

Answer

opens down with a minimum

Question 13

What is NOT another way to say "x-intercept"

Accepted Answer

vertex

Answer

root

Answer

solution

Answer

zeroes

Question 14

If the x-value of the vertex is 1, What is the y-value?

$$y=x^2-2x+3$$ ?

Accepted Answer

2

Answer

1

Answer

3

Answer

5

Answer

4

Question 15

If the quadratic function $$y = x^2 - 4x + 4$$ is factored, what are the roots?

Accepted Answer

$$x = 2, x = 2$$

Answer

$$x = 2, x = -2$$

Answer

$$x = 1, x = 4$$

Answer

$$x = 0, x = 4$$

Question 16

Question 16.

Accepted Answer

J

Answer

F

Answer

G

Answer

H

Question 17

Define Axis Of Symmetry

Accepted Answer

A line that divides the graph into two equal parts. i.e. cuts the graph in half

Answer

Where the parabola touches or intersects the x-axis, also called the x-intercept

Answer

The highest y-value on the graph

Answer

The highest or lowest point on the graph

Question 18

What type of function is the equation $$f\left(x\right)=x^2+3$$

Accepted Answer

Quadratic

Answer

Linear

Answer

Exponential

Answer

Non-function

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