INTEREST
(calculators allowed!)
SCIENTIFIC NOTATION
EXPONENTS
(all positive)
EXPONENTS
(including negatives)
FUNCTIONS
100

Which line is simple interest and which is compound interest?


Black dots (straight line): simple interest

Purple dots (curved line): compound interest

100

Put 120,000 into correct scientific notation.

1.2 x 105

100

x5 * x12

x17

100

z* z-12

z-9

100

What must be true of all functions?

Every input...

Must have one and only one output.

200

Sarah invested $100 in a bank with 5% SIMPLE interest. How much interest did she earn after 6 years? 

$30

200

Put 0.00285 into correct scientific notation.

2.85 x 10-3

200

(x3)4

x12

200

Write without negative exponents: 4-2

1/16

200

For a graph to be a function, it needs to pass the ___________ test.

Vertical Line

300

Phil invested $1000 in a bank with 10% COMPOUND interest.  How much would be in his bank account after 5 years?

$1610.51

300

Multiply the following numbers. Make sure your answer is in correct scientific notation.

(3.1 x 104)(3.0 x 1029)

9.3 x 1033

300

(x5y)/x3

x2y

300

Simplify to remove the fraction: x-2/x5

x-7

300

Does the set of points below represent a function?

(1, 3) (8, 7) (10, 3) ( -6, 4)

Function

400

Rachel invested $1000 in a bank with 2.5% COMPOUND interest.  How much would be in his bank account after 8 years?

$1218.40

400

Divide the following numbers. Make sure your answer is in correct scientific notation.

(4.26 x 105) /

(2.0 x 10-2)

2.13 x 107

400

Simplify: 2x2y9.23xy3

24x3y12  OR  16x3y12

400

4x-3y6*3x-2y-8

12x-5y-2 or 12/x5y2

400

Does the set of points below represent a function?

(1, 9) (5, 4) (8, 7) (1, 3) (5, 6)

Not a function

500

David invested $150 in a bank with 6% SIMPLE interest.  How much TOTAL money would be in his bank account after 3 years?

$177

500

Add the following numbers. Make sure your answer is in correct scientific notation.

(3.24 x 104) + (4.5 x 105)

4.824 x 105

500

(3x4y2)4

34x16y8  OR  81x16y8

500

(2x3y-3z-4)-2

2-2x-6y6z8 or y6z8/22x6

500

Does the set of points below represent a function?

(1, 6) (7, 3) (4, 5) (7, 3) (2, 5)

Function