Unit 6 Lesson 2 Quadratics

Gcf

100

what is the gcf of 4x³-12x²+8x=?

4x

4(x²-3x+2)

4x(x-1)(x-2)

200

what is the gcf of 3x³ - 6x²+ 9x= ?

3x

3(x²-2x+3)

300

what is the gcf of 2k²+16k+30= ?

2

2(k²+8+15)

(x+3)(x+5)

x=-3 x=-5

400

what is the gcf of 3x³+15x²+18x ?

3x

3(x²+5+6)

(x+2)(x+3)

factoring

100

what are the factors of j² + 6j + 8 ?

(j+2)(j+4) or (x+2)(x+4)

200

what are the factors of m²+9m+15= 0 .

(m+3)(m+6)

x=-3 x=-6

300

what's the factors of 1x²+5x+6=0

-5+-sqrt1

400

what are the factors of 3r²-5r-24 ?

3(r+5)(r-3)

500

what's the factor of 1x²-5x+6=0

5+-sqrt1

vocab

100

what is a root?

x is a root.

200

what is a vertex?

the lowest or highest point on a parabola.

300

what does c mean on a graph?

y-intercept

400

what is a axis or summetry?

the line that passes through the vertex.

word questions

100

Micheal distributed a term into the expression
(x²+6x-8) after distributing a term the answer he got is 10x³+25x²-40x. Was Micheal's answer correct?

No, Micheal's answer was not correct.

Micheal should have had (x+2)(x+4)

200

undistribute the common factor from the following expression 24x³+6x²+12x

8x²+2x+4

Vocab

100

whats the c in the equation

1x²+9-1=0

-1.

200

whats factoring?

writing as multiplication

300

is lal>1 thin or wide on a graph?

Thin