Algebra 2 Quadratics Review

Identify the vertex from the graph.

• (-4,1)

• (1,-4)

• (4,-1)

• (-1,4)

Identify the axis of symmetry

• x=-1

• y=-4

• x=1

• y=4

Identify the x-intercept(s) from the graph.

• (0,3) (0,-1)

• (-3,0) (1,0)

• (0,-3) (0,1)

• (-1,0) (3,0)

The graph of which of the following functions in the xy-plane has x-intercepts at -7 and 9.

• y = (x+7) (x-9)

• y = (x-7) (x+9)

• y = (x+7)(x+9)

• y = (x-7)(x-9)

• -16 feet 

• 0 feet

• 20 feet 

• 6 feet 

• 6 feet 

• 20 feet 

• 10 feet 

• 4 feet 

What is the range of this function?

• All real numbers.

• y ≥ 0

• y ≥ -2

• y ≥ 2

• upwards

• downwards

What is one key feature you can see by looking at this equation?

• x-intercepts are (4, 0) and (-2, 0)

• y-intercept is (0, 2)

• vertex is (-4, 2)

What is one key feature you can see by looking at this equation?

• x-intercepts are (-4, 0) and (-2, 0)

• y-intercept is (0, -2)

• vertex is (4, -2)

• vertex is (-4, -2)