Quadratics

Parabola

50

Based on the equation x² = 16y, does the parabola open upwards or downwards?

Upwards

100

In its vertex form, what does the k in the parabola equation (y = a ( x − h ) 2 + k) represent?

y-coordinate of the parabola vertex

150

In its vertex form, what does the h in the parabola equation (y = a ( x − h ) 2 + k) represent?

x-coordinate of the parabola vertex

Vertex, standard and factored form

50

What form (standard, vertex, or factored) is this?

y=3x²+2x-1

Standard

100

What form (standard, vertex, or factored) is this?

y=3(x-2)²-1

Vertex

150

What form (standard, vertex, or factored) is this?

y=-(x+2)(x-3)

Factored

x-intercept

50

solve for x

3x²−7=5

x=2

x=-2

100

Solve for x

2x²+3x-2+0

x= 2/4 , -8/4

or

1/2 , -2

150

Solve for x

6x² + 7x - 3 = 0

x= 1/3

x=-3/2 

y-intercept

50

Solve for y

4x + 7y + 5 = 0

y=-5/7

100

Solve for y

9y + 4 = 0

y=-4/9

150

Solve for y

y=5/9 (x+2)²-3

-7/9