Algebra 1 review

Linear Equations

100

Graph 7x-y=-4

see teacher

200

Find the slope between (-20, 6) and (16, 4)

-1/18

300

What is the slope of a line parallel to y=3x-5?

3

400

Write the equation of a line with a slope of -1/2 and a y-intercept of -5.

y=-1/2X-5

500

Write the equation of the line that passes through    (0, 2) and (-3, -5)

y=x-2

Factoring

100

FOIL: (x-5)(6x+4)

6x²-26x-20

200

Factor out the greatest monomial:

35x²+45x-50

5(7x²+9x-10)

300

Factor: x²+2x-3

(x-1)(x+3)

400

Factor: 3x²-7x-40

(3x+8)(x-5)

500

Factor: 30x²-108x+54

6(5x-3)(x-3)

Solving systems

100

y=3x-1

y=-x+3

(1, 2)

200

-4x-5y=-9

x-2y=-1

(1, 1)

300

-2x-10y=-20

-6x+9y=18

(0, 2)

400

-6x+9y=27

-x+2y=7

(3, 5)

500

12x+4y=20

-4x-y=-7

(2, -1)

Inequalities

100

x-19<-31

x<-12

200

50>5x

x<10

300

128>-5+7x

x<19

400

6(7-7x)<-210

x>6

500

Graph: y<3x-4

see teacher

Radicals

100

sqr (300)

10 sqr(3)

200

3sqr (54) +2 sqr (54) -2 sqr (27)

15 sqr (6) - 6 sqr (3)

300

(4 - sqr (2)) /sqr (17)

(4 sqr 17 - sqr 34) / 17

400

2 sqr (5) (sqr (6) + sqr (10))

2 sqr (30) + 10 sqr (2)

500

5 / (2 + sqr (3))

10-5 sqr (3)