Algebra Review!

Some Basics

100

Write as an algebraic expression: the product of x and 7

7x

200

Simplify -6(x+8)

-6x-48

300

Factor 9x²-4

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

400

Factor x²+4x-32

(x-4)(x+8)

500

Solve y/(2x+4) when x=2 and y=16

2

Solving for the Win

100

Solve x²+6x=-9

x=-3

200

Solve for x: y=3x+2r

x= (y-2r)/3

300

Solve 4²+5(2)-2³

18

400

Solve x²=x

x=0,1

500

Find the y-intercept of 9x-3y=12

-4

Radicals

100

Simplify √125n

5√5n

200

Simplify √10 * √5

5√2

300

Simplify -2√3 + 3√27

7√3

400

Simplify √45p²

3p√5

500

Simplify √(36x² y³

6xy√y

Equations

100

Simplify (4+2n³)+(5n³+2)

7n³+6

200

Simplify (5a+4)-(5a+3)

1

300

Write equation of the line that passes through the points (4,6) and (10,17) in point-slope form

y-6= (11/6)(x-4) or y-17= (11/6)(x-10)

400

Write the slope-intercept form of the line 3x-2y=-16

y= (3/2)x+8

500

Simplify 16r²/16r³

1/r

Randoms

100

Find the slope of the line through the points (1,-19) and (-2,-7)

-4

200

Find the slope of the line through the points (19,3) and (20,3)

0

300

Simplify -10√7 + 12√7

2√7

400

Simplify 3√6 - 4√6

-√6

500

Simplify √(20x² * √20x

20x√x