Happy Thanksgiving!!!!!!

Equations

100

7(x-5) = 42

x = 11

200

You work 4 hours on Saturday and 8 hours on Sunday.  You also receive a $50 bonus.  You earn $164.  How much did you earn per hour? 

$9.50

300

3(h - 4) =-0.5(24 - 6h)

all real numbers 

infinite solutions

400

Solve  (b+ 3)/ 7 = (b - 3)/6

b = 39

500

3x + 5 < 2x - 8 

x < -13

Percents & Proportions

100

Change 3.5% to a decimal

0.035

200

Change 4.5% to a fraction

9/200

300

30 is what percent of 80?

37.5%

400

320 kids went to see Star Wars.  If that was 24% of the school, how many kids attend that school?

1333 kids

500

The ratio of boys to girls is 2:5.  If there are 35 kids total, how many girls are there?

25

Functions

100

Is this a linear or non linear function

(1,2) (2,4) (3,6) (4, 8) (5, 10)

linear

200

Find f(2) if f(x) = 3x - 6

0

300

Write an equation in function notation for the following.  Use C for cost and h for hours

"Bob charges $200 for a consultation and $45 per hour"

C(h) = 200 + 45h

400

Does 2y = 3x - 4 represent a direct variation?

No

500

Find f(3) + g(4) if f(x) = 2x and g(x) = x²+ 1

23

Exponents

100

Simplify 4x^-2

4/x²

200

Evaluate (5x⁰ )(x^-2) if x = 5

1/5

300

Simplify (3x²y³)⁴

81x⁸y¹²

400

Simplify 4x⁶y³x^-3/(x³y⁴)

4/y

500

Simplify (5x⁴/y^-2)^-2

1/(25x⁸y⁴)

Systems & Graphing

100

What is the slope of the line y=x + 7

1

200

What is the y intercept for the line 2y = x - 6

-3

300

What is the solution to the system

y = -x +3

y = 4x - 2

(1, 2)

400

Is the point (0,1) a solution for the system

1 - x > 3y and

3y - 1 > 3x

no

500

Solve the system of equations

3x - 2y = 0

4x +2y = 14

(2, 3)