Algebra 1 Final Review

Solving Equations

100

Solve: 2x + 2 = 18

x = 8

200

Solve: 15x - 7 = 2x + 6

x = 1

300

Solve: 21 + 3x = 12

x = -3

400

Solve: x² - 5 = 11

x = 4

500

Solve: x² - 7x + 10 = 0

x = 5

x = 2

function or not a function

100

Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)} 

No

200

Is the order pairs a function or not?

{(10,54), (20,12), (30,112), (40,13)}

Yes it's a function

300

is it a function?

{(2,4), (2,5), (2,7), (2,8)}

not a function 

400

is it a function?

{(1,2), (3,4), (5,6), (7,8), (9.10)}

it is a function 

500

is it a function?

{(12,3)(11,2)(2,12)(6,11)(3,12)(5,51)}

it is function 

combining like terms

100

5x+95-2x+5

3x+100

200

3x+10x+7x+11

17x+11

300

23x-3x-4x+23+2

16x+25

400

41+2x-3x+23x

41+22x

500

35x+72+12+32x

67x+84

Slope

100

Find the slope: y=34x+2

m = 34

200

What is the slope of the following equation:

y= -x+23

slope = -1

300

What is the slope y= -3/2x+12

- 3/2

400

What is the slope of the line y=4x+6x+2

10

500

What is the slope

2x-y=45

slope: 2

Multiplying Polynomials

100

(3x+2)(2x-5)

6x²-11x-10

200

(x+3)(x-3)

x²-9

300

(2x-5)(3x-7)

6x²-29x+35

400

(3x+2)²

9x²+12x+4

500

(-3x+7)( 5x+4)

-15x²+23x+28