Download Math 75 Quiz

Math 75 Quiz 3-6-1
Name_______________
1) x  4
What are possible integer values of x?
Estimate
15 
Don't use a calculator.
2) Write 0.00015 in words. Write this as a fraction. Write it as a percent and in scientific
notation.
3) Write 2% as a decimal and as a fraction.
4)
Combine like terms.
5) Simplify.
3 x  3 2 y  12x  7 x  2 3 y  7y
5
5
5
5
4 x 5 y 3 (2x 2 y 7 )5
16x 2 y 2 8x 3y 5
What does a0 mean?
6) Write 5.2x105 in decimal notation.
7) Simplify. Do not estimate.
1125 
8) What property is illustrated by the following? a(b+c)=ab+ac
9) Distribute. -(2x2 - 5x+7)
Factor (opposite of distribution) 12xy2-15x2y
10) Simplify. 52  8(23  4  53  7)  8  4  5
11) Evaluate the following for x=-5, y=5, z= -3
xyz-y2-z2
12) Convert 30 degree C to degree F.
13) 3 times one number is five more than 2 times that number. What are the numbers?
14) 12 is 35% of what?
15) A pair of shoes is on sale for $75. This was 55% off. What was the original price?
1
8
16) 8 3  5 x 
4
1
8
17) The perimeter of a rectangle is 100 inches. One side is three times as long as the other.
What is the measure of the two sides?
18) 21=3x -(x - 14)
19)
5x -7 +3(2x-8) = 4(x + 8)
6= 8(3x - 2)