Quiz about Quadratic Function in Vertex Form

Question 1

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

Accepted Answer

(-5, -4)

Answer

(5, -4)

Answer

(-15, -4)

Answer

(15, -4)

Question 2

Given the equation for this parabola:
y=-(x-4)²-3,
does this parabola have a maximum or minimum value?

Accepted Answer

Maximum

Answer

Minimum

Question 3

The axis of symmetry line passes through which point?

Accepted Answer

vertex

Answer

y-intercept

Answer

any random point

Answer

symmetrical point for the vertex

Question 4

What is the equation of this graph?

Accepted Answer

f(x) = (x - 1)² - 5

Answer

f(x) = (x -5)² + 1

Answer

f(x) = (x + 1)² - 5

Answer

f(x) = (x + 5)² +1

Question 5

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

Accepted Answer

(-5, -4)

Answer

(5, -4)

Answer

(-15, -4)

Answer

(15, -4)

Question 6

Identify the vertex and whether the graph opens up or down.

Accepted Answer

(-5, 2); opens up

Answer

(5, 2); opens up

Answer

(5, 2); opens down

Answer

(-5, 2); opens down

Question 7

What is the green dashed line called?

Accepted Answer

axis of symmetry

Answer

roots or x-intercepts

Answer

parabola

Answer

line of dashes

Question 8

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

Accepted Answer

x = -3

Answer

y = -2

Answer

x = 3

Answer

y = 2

Question 9

Which equation has a vertex of (-3, 4)?

Accepted Answer

y = 2(x+3)²+ 4

Answer

y = (x+3)² - 4

Answer

y = (x-3)² + 4

Answer

y = 2(x - 3)² + 4

Question 10

The graph of a quadratic function is called a

Accepted Answer

Parabola

Answer

Vertex

Answer

Axis of Symmetry

Answer

Vertex Form

Question 11

What piece of information does c identify in the following equation?
y=ax²+bx+c

Accepted Answer

y-intercept

Answer

Zeroes

Answer

Axis of Symmetry

Answer

Direction

Question 12

What form is the equation in?
y = 2x²-8x+7

Accepted Answer

Standard

Answer

Vertex

Answer

Factored

Answer

None of These

Question 13

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 14

What direction is the following equation opening?
y=-3x²-7x+8

Accepted Answer

Down

Answer

Up

Answer

Left

Answer

Right

Question 15

Find the y-intercept of
f(x) = 2x²-2x + 1

Accepted Answer

1

Answer

2

Answer

-2

Answer

-1

Question 16

Use the graph to determine the solutions.

Accepted Answer

1 and 3

Answer

-1 and -3

Answer

1 and -3

Answer

-1 and 3

Question 17

Does
y = -4x²
have a maximum or minimum value?

Accepted Answer

maximum

Answer

minimum

Question 18

Joe Mauer hits a fly ball. You can track the height of the ball using the equation: h(t) = -16t² + 140t + 2
What was the starting
height of the ball?

Accepted Answer

2 feet

Answer

-16 feet

Answer

140 feet

Answer

0 feet

Question 19

What is the y-intercept of the parabola: y=2(x-3)²+4

Accepted Answer

(0, 22)

Answer

(0, 3)

Answer

(0, 4)

Answer

(0, -4)

Question 20

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

Accepted Answer

(-5, -4)

Answer

(5, -4)

Answer

(-15, -4)

Answer

(15, -4)

Question 21

Find the vertex:

y = -5(x + 1)² - 8

Accepted Answer

(-1, -8)

Answer

(1, -8)

Answer

(-1. 8)

Answer

(1, 8)

Question 22

Find the y-intercept of:

y=2(x - 3)²+ 4

Accepted Answer

22

Answer

10

Answer

-14

Answer

13

Question 23

Find the y-intercept:

y = -5(x + 1)² - 8

Accepted Answer

-13

Answer

13

Answer

3

Answer

12

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