RTI October

Fractions

100

1/4 * 2/4 Must simplify

1/8

200

(2/8)/(1/4)

2/2 or 1

300

3/8 + 3/7

45/56

400

4/5 + 3/4 +2/3

133/60

500

(1/3X -3) + (-3/4X -5)

-5/12X -8

Slope

100

(3,2) (9,5) Find slope

1/2

200

(-3,2) (-12,25) Find slope

23/9

300

Make equation; Slope = -3.58, y-intercept = -9.82

y = -3.58X -9.82

400

(2,0) (0,6): y-int of 4, what is equation?

Y = -3X + 4

500

What is the slope of the line  and what is the y-intercept 3x + 6y = 4

Slope -1/2, y-intercept is 2/3

One-Step Equations

100

3X - 10 = 11; Solve for X

X = 7

200

-4Y + 12 = -16

Y = 7

300

5A - 8 = 3A + 10; Solve for A

A = 9

400

10X + 6 = -4

X = -1

500

12 - 3X = 6X + 3

X= 1

Integers

100

250 * 5/2

625

200

106 * 56

5936

300

1006 * 79

79474

400

12 + 14 * 2 - 1

29

500

16/2 + 4/2 - 5

5

Decimals

100

903.3 + 609.9

1513.2

200

3.75 * 0.55

2.0625

300

909.90 - 109.60

800.30

400

10.6901 + 53.9109

64.9109

500

-40.36 * 8.333 + 9

336.31988

Great Unknown

100

28X * (-3Z) + 30: x=2, z=-10

1710

200

What is the slope: 2Y = 4X +6

Slope is 2

300

2000 * 150 + 288/9 + 3X * 4T + 30; X=4, T=12

300618

400

10.75 * 10.2 + 0.2 -0.01 * 5/3

109.83

500

8 8/10 * 5/4(92X * 8Y + 3X) + 9X; x=3, Y=6

145854

Simplify

100

-6(3X + 7)

-18X -42

200

-8(4 + 6X)

-32 - 48X

300

-3(7 + 8X)

-21 -24X

400

(6/10)/(3/5)

2/2 or 1

500

5(-6 + 4X)

-35 +20X