Quadratic Basics Practice

Is this point a max or min?

• max

• min

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

• (4,0)

• (-4,0)

• (0,-4)

• (0,4)

Tags

CCSS.HSF-IF.C.7A

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

What is the axis of symmetry of y=2x²-4x+9?

• x = 1

• x = -1

• x = -2

• x = 4

Find the roots of y=5x²+7x-90

• (-5,0)(3.6,0)

• (0,-5)(0,3.6)

• (-4,0)(4,0)

• (-5,0)

Tags

CCSS.HSA-REI.B.4B

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A

On the graph, what does the coordinate (0, -2) represent?

• the x-intercept

• the minimum

• the axis of symmetry

• the y-intercept

Tags

CCSS.HSF-IF.C.7A

What is the orange line called?

• Line of Solutions

• Roots

• Vertex

• Axis of Symmetry

Tags

CCSS.HSF-IF.C.7A

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation

s(t) = –16t² + 64t + 80

What will be the object's maximum height?

• 2 ft

• 80 ft

• 144 ft

• 64 ft

Factor
k² -2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)