Assessment Review

Rational or Irrational?

100

.646867473630...

irrational

200

14

Rational

300

squareroot of 5

irrational

400

square root of 25

5

500

square root of 100

rational

Percents

100

41% of 78 is what?

32

200

What percent of 29 is 3?

10.3%

300

Sled cost: $99.50 Markup: 95% How much does is sell for?

$194.03

400

Cost of a camera:$554.99 Discount:48% How much does it sell for?

$288.59

500

You invest $34,100 at 4% for 3 years. What is your total balance?

$38,192

Interest

100

$300 2 years 3%

$318

200

$2,200 5 years 4.5%

$2695

300

$95 4.5 years 2%

$103.55

400

$23,500 10 years 6%

$37600

500

$50,250 6.5 years .3%

$51229.87

Proportions

100

10/8 = n/10

n=12.5

200

7/(b + 5) = 10/5

b= -1.5

300

If you can buy one can of pineapple chunks for $2 then how many can you buy with $10?

5 cans

400

The currency in Argentina is the Peso. The exchange rate is approximately $3 = 1 Peso. At this rate, how many Pesos would you get if you exchanged $121.10?

40.4 Pesos

500

(p + 10)/(p - 7) = 8/9

-146

Systems of Linear Equations

100

-4x - 2y = -12/4x + 8y = -24

(6, -6)

200

x - y =11/2x + y = 19

(10, -1)

300

-6x + 6y = 6/-6x + 3y = -12

(5, 6)

400

8x + y = -16/-3x + y = -5

(-1, -8)

500

5x + y = 9/10x - 7y = -18

(1, 4)