Algebra MTR

Simplifying Expressions

100

3/4 + 1/8

7/8

200

DOUBLE JEOPARDY

-3(x - 3) + 2x - 4

-x + 5

300

-3/7 x 1/6

-1/14

400

10y - 3 + 2y - 4 - 6y

6y - 7

500

15x - 2(6 - 2x) + 11

19x - 1

Evaluate

100

4 - (9 x 2) / 6

1

200

10 - 2 + (15 - 6)²

89

300

DOUBLE JEOPARDY

(2 + 4) x 8/2

24

400

y - (x / 5)² ; where x = 5 and y = 6

5

500

5 - (x + y) + xy ; where x = 6 and y = 2

9

Percents

100

What is 120% of 2?

2.4

200

84 is 35% of what number?

240

300

What is 55% of 144?

79.2

400

DOUBLE JEOPARDY

The new snowboard you want is finally on sale for 15% off its original price of $499. What is the sale price of the snowboard?

$424.15

500

65 is what percent of 115?

56.5% or 57%

Proportions

100

DOUBLE JEOPARDY

-2/9 = 11/x

x = - 49.5

200

3/(k-11) = 2/6

k = 20

300

An 8-oz can of coke contains about 27 grams of sugar. About how many grams of sugar are there in a 20-oz bottle?

67.5 grams of sugar

400

-6/10 = (n+5)/5

n = -8

500

(a-1)/3  =  (a-3)/5

a = -2

Solving

100

-1 - 7x > 62

x < -9

200

-6(1 + 2a) = 90

a = -8

300

DOUBLE JEOPARDY!

10 - 5x < 12(6 - 3x)

x < 2

400

11(1 + 12b) = 11 - 5b

b = 0

500

27 - 2n < -(n + 3) + 2n

n > 10