Quadratics Review

Identify

100

Identify a in: -5a² + 2a + 3 = 0

-5

200

Identify a in: -a² + 2a + 3 = 0

-1

300

Identify b in: -5a² + 3 = 0

0

400

Identify b in: -5a² + 3 = -4a

+4

500

Identify b in: -5a² + 2a + 3 = -4a

6

X-Intercept(s)

100

Find the x-intercept(s) of y = x² + 5x +6

-2, -3

200

Find the x-intercept(s) of y = x² + 9x

0, -9

300

Find the x-intercept(s) of y = x² - 2x -8

4, -2

400

Find the x-intercept(s) of y = 4x² + 20x + 9

-1/2, -9/2

500

Find the x-intercept(s) of y = 5x² + 6x - 8

4/5, -2

Y-Intercept

100

Find where the graph of y = x² -14x + 17 intercepts the y-axis.

y = 17

200

Find where the graph of 2x² + 6 = 5x intercepts the y-axis.

y = 6

300

Find where the graph of y = x² = -10 intercepts the y-axis.

y = 10

400

Find where the graph of  x² -14x + 17 = -4x² +2x - 5 intercepts the y-axis.

y = 22

500

Find where the graph of y = x² intercepts the y-axis.

y = 0

Vertex

100

Find the vertex of y = x² + 16x + 71

(-8, 7)

200

Find the vertex of y = x² -2x - 5

(1, -6)

300

Find the vertex of y = -x² - 14x - 59

(-7, -10)

400

Find the vertex of y = 2x² + 36x + 170

(-9, 8)

500

Find the vertex of y = 6x² + 12x + y + 13 = 0

(-1, -7)

Axis of Symmetry

100

 y = x² + 16x + 71

x = -8

200

 y = x² -2x - 5

x = -1

300

y = -x² - 14x - 59

x = -7

400

y = 2x² + 36x + 170

x = -9

500

 y = 6x² + 12x + y + 13 = 0

x = -1