First Quarter Review

Integers

100

The sum of -30 and 2.

-28

200

The difference of -20 and -4.

-16

300

The sum of twice a number and -6.  The "number" is -15.

-36

400

4-3[4-2(6-3)]

10

500

3² - 8 * 2 + 7² - 35

7

Solving Equations

100

11x - 16 - 2x = 17x

-2

200

16 - n = -3

19

300

-9n² = -81

3 and -3

400

3(8x + 5) = 4(6x + 7) - 13

Infinite solutions

500

(x-7) / 5 = -2 

-3

Expressions

100

The simplified version of the expression:

3x - 9 - 12x + x + 3

-8x - 6 

200

3(2x -4) - (4x - 5) 

2x -7

300

x + x + x + x is equivalent to x⁴.  True or False?  

False

400

5 - 29 - 45x + 5 + 11x - 13

-34x - 32

500

Factor the expression:   32x² - 24x 

8x(4x - 3)

Fractions

100

Find the sum of 4/9 + 3/5. Leave in rational form.

47/45

200

Find the product of 11/17  and 1/3.

11/51

300

Find the quotient of 4 and 2/3.

6

400

Find the sum of x/14  and  (3+x)/56

(5x+3)/56

500

Solve.  Leave the answer in rational form.

-33/10 = 2y + 1/2

-19/10

Linear Functions

100

A linear function highest degree is one.  True or False?

True.

200

This is called what form:  y=mx+b

Slope-intercept form.

300

If a line has an undefined slope it is a function.  True or False?

False, it is not a function.

400

Find the slope for the two ordered pairs:

( 9, -5)  (  15, -5)

Zero slope

500

Transform the equation below into slope-intercept form.

8x - 5y = -25 

y=8/5x + 5