Mixed Review

Solving Equations

100

5x-15=3x+5

x=10

200

3a + 5a = - 30

a= -3.75

300

- 9(3k - 8) = 18

k = 2

400

9 + 3(1 - 6b) = 31

b = -1.0631

500

- 2(9h - 7) = - 24 + 8h

h = 1.46

Systems of Equations

100

5x+2y=10

3x-2y=6

x=2

y=0

200

2x + 4y = 0 

y = -8x

(0,0)

300

-2x + y = 10 

4x - y = -14

(-2,6)

400

3x + 2y = -4 

5x = 20

(4,-8)

500

y = x -8 

y = -4

(4,-4)

Slope-Intercept

100

Which Number is the slope?

y=17.5-3x

-3

200

What is the slope of a line going through the points 

(0,0) and (2,10)

5

300

What is the y-intercept of a line going through the points...

(-4,-10) and (4, 6)

2

400

What is the slope of line going through...

(-5,20) and (6, -2)

-2

500

What is slope AND y-intercept of line going through...

(1,3) and (11, 18)

slope: 1.5

y-intercept: 1.5

Rational/Irrational

100

Define Rational Number

Can be written as a fraction

200

Rational or Irrational?

square root of 25

Rational

300

Rational or Irrational?

Square Root of 136

Irrational

400

List 3 Examples of a rational number between... 

2.5 and 2.6

Lots of potential answers...

500

List three examples of Irrational Numbers between...

2.55 and 2.56

Infinite potential answers...

Order of Operations

100

(8+46- 6)-( 9+7)

32

200

(13+50- 3)+30- 6

84

300

6x(12x6+4)-8

448

400

9)(11- 5)x(8+18-9)

102

500

(12+ 4)x(7+8 - 4)

176