Unit 8 Part 1 QUICK REVIEW

Identify the y-intercept

• (0,-1)

• (0,-3)

• (-1,-1)

• (-3,0)

What is the axis of symmetry?

• y = 2

• x = -4

• x = -2

• y = 0

The vertex of the given quadratic function is at its minimum.

• True

• False

Which appears to be the roots of the quadratic equation whose related function is graphed at the right?

• -1,3

• -1,1

• -3,1

• 1,3

The given quadratic function has no real root.

• True

• False

Name the vertex to the given quadratic graph

• (2,3)

• (3,2)

• (0,-1)

• (4,-1)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Use the graph to determine the X-intercepts

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

What is the vertex form of a quadratic function?

• f(x) = 2a(x-h)² + k

• f(x) = a(x-h)² + k

• f(x) = (x+h)² + k

• f(x) = a(x-h) - k

What is the axis of symmetry in a function?

• The transformation of the graph

• The vertex, represented by (h,k)

• A vertical line that passes through the vertex and divides the parabola in half

• y = h