Quiz about Graphing Vertex of Quadratics

Question 1

Whats the vertex and what does it mean?

Accepted Answer

(1.4, 31); At 1.4 seconds the football is at a maximum height of 31 ft

Answer

(31, 1.4); At 1.4 seconds the football is at a maximum height of 31 ft

Answer

31; The max height of the ball

Answer

6 feet is the height the ball is thrown from

Question 2

Does this parabola have a maximum or minimum?

Accepted Answer

minimum

Answer

maximum

Question 3

What quantity of pints of medicine produced is expected to have the highest profit?

Accepted Answer

400

Answer

100

Answer

200

Answer

700

Question 4

What is the green dashed line called?

Accepted Answer

line of symmetry or axis of symmetry

Answer

roots or x-intercepts

Answer

parabola

Answer

vertex

Question 5

Find the vertex.

Accepted Answer

(-1, -3)

Answer

(-2, -3)

Answer

(0, -3)

Answer

(-1, 0)

Question 6

Find the vertex of
f(x) = -x²- 4x + 12.

Accepted Answer

(-2, 16)

Answer

(2, 0)

Answer

(2, 4)

Answer

(-2, 4)

Question 7

The axis of symmetry for the function 2x²+8x+2 is x=-2. What is the vertex?

Accepted Answer

(-2, -6)

Answer

(-6, -2)

Answer

(2, 6)

Answer

(6, 2)

Question 8

What is the vertex?
f(x) = -x²- 4x + 12.

Accepted Answer

(-2, 16)

Answer

(2, 0)

Answer

(2, 4)

Answer

(-2, 4)

Question 9

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 10

For the quadratic y = -x² - 4x + 5, What is the vertex?

Accepted Answer

(-2, 9)

Answer

(9, -2)

Answer

(-5, 1)

Answer

(2, 1)

Question 11

Which of the following is the correct graphing procedure for the quadratic function $$f(x) = 3(x - 1)^2 + 2$$ ?

Accepted Answer

Plot the vertex at $$(1, 2)$$ , then use the coefficient of $$x^2$$ to determine the direction and width of the parabola.

Answer

Plot the vertex at $$(-1, -2)$$ , then use the coefficient of $$x^2$$ to determine the direction and width of the parabola.

Answer

Plot the vertex at $$(1, 2)$$ , then use the constant term to determine the direction and width of the parabola.

Answer

Plot the vertex at $$(-1, -2)$$ , then use the constant term to determine the direction and width of the parabola.

Question 12

What is the vertex of y = x²+ 4x + 3?

Accepted Answer

(-2,-1)

Answer

(2,1)

Answer

(-2,1)

Answer

(0,0)

Question 13

What is the vertex of y=x²+4x+3?

Accepted Answer

(-2,-1)

Answer

(2,1)

Answer

(-2,1)

Answer

(0,0)

Question 14

What is the vertex?

Accepted Answer

(5,2)

Answer

(2,5)

Answer

(-2,5)

Answer

(-5,2)

Question 15

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 16

Which of the following is the correct equation for the given graph?

Accepted Answer

f(x) = (x + 2)² - 1

Answer

f(x) = (x - 2)² - 1

Answer

f(x) = -(x + 2)² - 1

Answer

f(x) = -(x - 2)² - 1

Question 17

Which quadratic function is represented by the graph?

Accepted Answer

y = -2(x + 4)² + 5

Answer

y = 2(x - 4)² + 5

Answer

y = 2(x + 4)² + 5

Answer

y = -2(x - 4)² + 5

Question 18

What is the green dot on the parabola called?

Accepted Answer

maximum

Answer

minimum

Answer

roots

Answer

zeros

Question 19

Does this parabola have a maximum or minimum?

Accepted Answer

Minimum

Answer

Maximum

Question 20

Determine the vertex of the parabola:
y = 5x²- 20x + 13

Accepted Answer

(2, -7)

Answer

(5, -7)

Answer

(-2, -7)

Answer

(-7, -2)

Graphing Vertex of Quadratics

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