Algebra 1 Review 101

Slopes

100

the slope of y = -9/7x + 2

What is -9/7

200

6x + 3y = 6

What is -2

300

the equation of a line with point (1,3), m=4

What is y = 4x -1

400

the equation of a line through the origin ; m = -3

What is y=-3x

500

equation of a line that is perpendicular to y = -2/3x - 4, and through the point (4,-2)

What is y = 3/2x -8

Domain/Range

100

domain of ( -3,5), ( 0,5), (3,7) ( 7,-6), (0,8)

What is {-3,0,3,7}

200

find the range for y = 2x + 4, if the domain is { -3, -1, 0, 5, 8}

What is {-2,2,4,14,20}

300

identify the range of x + 3y = -8 ; domain x ≥ 0

What is y ≤ -8/3

400

y = - 3/4 x + 3 ; range {-3,0,3,6,9} , what is the domain

What is {-8,-4,0,4,8}

500

y = -2x + 5 ; domain -2 ≤ x ≤ 6

What is -7 ≤ y ≤ 9

Literal Equations

100

Solve P = R - C ; for C

What is C = R - P

200

Volume of a pyramid ; V = Bh / 3 ; for B

What is B = 3V / h

300

solve y= mx + b ; for m

What is m = (y - b) / x

400

Rewrite so that y is a function of x ; 2x + y = 7

What is y = -2x + 7

500

Rewrite the equation so that y is a function of x ; 8x-5x + 21 = 36 - 6y

What is y = -1/2 x + 5/2

Linear Systems

100

y = 3

2x - 3y = 5

What is (7,3)

200

x = 2y

x + 3y = 20

What is ( 8, 4)

300

x + y = 8

x - y = 4

What is ( 6, 2)

400

4x + 3y = 2

5x + 3y = -2

What is (-4,6)

500

x + y = 2

2x + 7y = 9

What is (1,1)

Exponents

100

(5xy)²

What is 25x²y²

200

Simplify ; -(6p²)²

What is -36p^4

300

Evaluate 5 ^2/3 * 5 ^ 4/3

What is 25

400

Simplify ( 7x^5/ y²)²

What is 49x^10 / y ^4

500

Simplify ; [ (b+2)^8]^3

What is (b+2)^24