Mid-Unit Quiz Review

Factoring Quadratics I

100

Factor x²+8x+12

(x+6)(x+2)

200

Factor m²-11m+18

(m-9)(m-2)

300

Factor 2x²+10x-48

2(x+8)(x-3)

400

Factor 2y²-13y-7

(y-7)(2y+1)

500

Factor x²-13x-30

(x+2)(x-15)

Factoring Quadratics II

100

Factor 2x²+7x+3

(2x+1)(x+3)

200

Factor 5n²+26n+5

(5n+1)(n+5)

300

Factor 3x²-10x+7

(3x-7)(x-1)

400

Factor 7x²-36x+5

(7x-1)(x-5)

500

Factor 2x²-12x+10

2(x-1)(x-5)

Factoring Quadratics III

100

Factor 3x²+12x

3x(x+4)

200

Factor 4x²+10x

2x(2x+5)

300

Factor 4x²-9

(2x-3)(2x+3)

400

Factor 18x²+32x+6x

2x(9x+19)

500

9x²-49

(3x-7)(3x+7)

Curve Sketching

100

A parabola will look like this if a is negative.

What is open downwards with the vertex as a maximum?

200

To find the y-intercept you do this.

Plug in 0 for x or use the c value

300

To find x-intercepts, you will have to use this process.

What is factoring?

400

To find the coordinates of the turning point, I use this formula.

-b/2a

Remember the turning point is the lowest or highest point on the parabola

500

Determine the turning point of this function y = 2x^2 - 12x + 16

What is -3

Other/Tips

100

I can do this to check my work after factoring

What is, FOIL?

200

I must do this after factoring to find the x-intercepts

Set both factors equal to zero and solve

300

These algebra skills are essential for all of math, and especially factoring.

What is, combining like terms and distribution?

400

I must always check for this first before factoring in other ways

Greatest common factor

500

When a quadratic function is equal to zero, I should do this.

Factor