Quiz about LHHS - Key Features of Quadratic Graphs

Question 1

Does the graph have a maximum or minimum?

Accepted Answer

minimum

Answer

maximum

Answer

neither

Answer

both

Question 2

What is the axis of symmetry for the following equation?
y=4x²-8x+9

Accepted Answer

x=1

Answer

x=-8

Answer

x=-1

Answer

x=2

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

The graph of a quadratic function is called a

Accepted Answer

Parabola

Answer

Vertex

Answer

Axis of Symmetry

Answer

Vertex Form

Question 5

Which best describes the vertex of a parabola?

Accepted Answer

The highest or lowest point of a parabola

Answer

Any point on the parabola.

Answer

A point on the x-axis.

Answer

A point on the y-axis.

Question 6

What's the axis of symmetry of y = 3x²- 6x + 4

Accepted Answer

x=1

Answer

x=-6

Answer

x=2

Answer

x=-1

Question 7

Find the maximum of the parabola y= -2x²-8x+5

Accepted Answer

13

Answer

2

Answer

-2

Answer

-19

Question 8

What is the y-intercept of

f(x)=2x² + 4x + 6

Accepted Answer

(0 , 6)

Answer

(6 , 0)

Answer

(-6 , 0)

Answer

(0, -6)

Question 9

How many solutions does this graph have?

Accepted Answer

two

Answer

one

Answer

no solutions

Answer

cannot be determined

Question 10

What are the x- intercepts?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 11

What is the vertex?

Accepted Answer

(5,2)

Answer

(2,5)

Answer

(-2,5)

Answer

(-5,2)

Question 12

What is the green dot on the parabola called?

Accepted Answer

vertex and maximum

Answer

vertex and minimum

Answer

axis of symmetry

Answer

y-intercept

Question 13

Does this parabola have a minimum or maximum and what is its value?

Accepted Answer

maximum: 5

Answer

minimum: 2

Answer

maximum: 2

Answer

minimum: 5

Question 14

Use the picture to find the vertex and axis of symmetry

Accepted Answer

Vertex (3,8) Axis x = 3

Answer

Vertex (3,8) Axis y = 3

Answer

Vertex (8,3) Axis x = 3

Answer

Vertex (8,3) Axis y = 3

Question 15

What are the coordinates of the y-intercept?

Accepted Answer

(0, -3)

Answer

(-3, 0)

Answer

(2, 1)

Answer

y=-3

Question 16

Graph the quadratic.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 17

Graph the quadratic.

y= - 2x²+8x-11

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 18

Determine the value of the discriminant and name the nature of the roots for the following:

x² + 7x + 13

Accepted Answer

-3, 2 imaginary roots

Answer

400, 2 real root

Answer

0, 1 real root

Answer

-400, 2 imaginary roots

Question 19

Solve using the quadratic formula...

9x² - 7x - 4 = 0

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

No real solutions

LHHS - Key Features of Quadratic Graphs

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