Quiz about Quadratics Vocabulary

Question 1

find x for
2x²-8x-24=0

Accepted Answer

x= 6, -2

Answer

x= 2, -6

Answer

x= 4, 2

Answer

x= 2, 6

Question 2

Identify the 'b' value: y = 16x² -8x -24

Accepted Answer

-8

Answer

16

Answer

8

Answer

-24

Question 3

An equation that can be written in the form y = ax² + bx + c

Accepted Answer

Quadratic equation

Answer

MInimum

Answer

Linear equation

Answer

Maximum

Question 4

The graph of a quadratic function is called

Accepted Answer

a parabola

Answer

a line

Answer

a hyperbola

Answer

a cubic

Question 5

What is this?

Accepted Answer

Quadratic Formula

Answer

Quadratic Parent Function

Answer

Quadratic Standard Form

Answer

Quadratic Vertex Form

Question 6

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 7

Which form is the equation
y = -3(x-5)²+7 in?

Accepted Answer

Vertex

Answer

Standard

Answer

Factored

Answer

None of These

Question 8

The answers to quadratic functions are called?

Accepted Answer

Roots

Zeros

x-intercepts

& Solutions

Answer

Roots

Zeros

y-intercepts

& Solutions

Answer

Axis of Symmetry

Zeros

x-intercepts

& Solutions

Answer

Roots

Zeros

X-intercepts

& Vertex

Question 9

Which of the following is not the same as "solution"?

Accepted Answer

y-intercept

Answer

x-intercept

Answer

roots

Answer

zeros

Question 10

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 11

The highest or lowest point on the parabola

Accepted Answer

Vertex

Answer

Parabola

Answer

Domain

Answer

Range

Question 12

If "a" from y = ax² + bx + c is positive, then the vertex is the lowest point on the graph.

Accepted Answer

Minimum

Answer

Vertex

Answer

Maximum

Answer

Parabola

Question 13

The curved graph of a quadratic (the U shape)

Accepted Answer

Parabola

Answer

Quadratic

Answer

Vertex

Answer

Minimum

Question 14

Where the parabola (U shape) crosses the x-axis.

Accepted Answer

X-intercept

Answer

Domain

Answer

Range

Answer

Y-intercept

Question 15

Another name for the x-intercept

Accepted Answer

All of the above

Answer

Roots

Answer

Zeros

Answer

Solutions

Question 16

A vertical line that cuts the parabola into 2 symmetrical halves. This always goes through the vertex and ALWAYS begins with "x=" This is sometimes called the "line of symmetry".

Accepted Answer

Axis of Symmetry

Answer

Parabola

Answer

Quadratic

Answer

Domain

Question 17

Where the parabola crosses the y-axis.

Accepted Answer

Y-intercept

Answer

X-intercept

Answer

Domain

Answer

Axis of Symmetry

Question 18

If "a" from y = ax² + bx + c is negative, then the vertex is the highest point on the graph.

Accepted Answer

Maximum

Answer

Vertex

Answer

Minimum

Answer

Parabola

Question 19

All possible y-values

Accepted Answer

Range

Answer

Domain

Answer

Parabola

Answer

Vertex

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