Quadratics Find Roots Find Vertex Word Problems

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A

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

• x=1

• x=-6

• x=2

• x=-1

Find the vertex of f(x)= -2x²-16x+3.

• (4, -93)

• (-4, 35)

• (-4,99)

• (8,3)

A dolphin jumps from the water. The function h(t) = -16t² + 80t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps? What are you solving for?

• solutions

• y-intercept

• axis of symmetry

• y-value of the vertex

If a toy rocket is launched from the ground and its height h after t seconds is given by the function h(t) = -8t² +64t.

When will the object reach its maximum height?

• 128 ft

• 0 seconds

• 0 ft

• 4 seconds

Find the solution(s) to the function.

• x = -1, -4

• x = 1, 4

• x = 6

• x = -6, 6

Tags

CCSS.HSA-REI.B.4B

Find the solution(s) of the function.

• x = 4, -6

• x = -.25, 7.5

• No Solution

• x = 1/2, -5/2

Tags

CCSS.HSA-REI.B.4B

Find the zero(s) of the function.

• x = -7.5, 0.33

• x = -0.75, 3

• x = 0.75, -3

• x = -0.33, 7.5

Tags

CCSS.HSA-REI.B.4B

Find the vertex: f\left(x\right)=3\left(x-5\right)^2-7

• ( 5 , 7 ) 

• ( -5 , -7 ) 

• ( 5 , -7 )

• ( 3, -5 )