Download Quiz 58 - NW LINCS

Math 75 Quiz
5-5-2
Name_______________
1) 4(5)(1) 
Estimate
Don't use a calculator.
101 
2) Write three and thirty four ten-thousandths in decimal notation. Write this as a fraction.
3) Convert 5/24 to a percent.
4)
Combine like terms.
5) Simplify.
Convert 3/5% to a decimal.
3x y  7x y  9x y 2  3x y 2  x y
3x 18
21x 35
What does x-8 mean?
6) Write 2.8x108 in decimal notation.
7) Simplify. Do not estimate.
3375 
8) What property is illustrated by the following? (a/b)(b/a)=1
9) Distribute. 5y2(xy2 - 5xy-5x-10)
 3
2
10) Simplify.
Factor (opposite of distribution) 121x-11
 62
52
11) Evaluate the following for x=-1, y=-3, z=-2
z2+x2 - y2
12) Find the simple interest earned on $3000 at 12% for 5 years. (This formula is on the
formulas page.)
13) Six less than twice a number is 42. What is the number?
14) An item that is 25% off is now marked $40. What was the original price?
15) 4
15
1
2
 x 
5
3
16) Write the formula for the area of a triangle. The area of a triangle is 124 in2. The base
is 20 in. What is the height of the triangle?
17) 8m-9(m-12)=7m-3(2m-5)
18) Solve.
4 x 12

2x
5
19) In a set of vertical angles, one is 5 degrees more than twice a number. The other is 12
less than three times the same number. Find the measure of the angles.
20) Solve for b1.
A
1
h (b1  b2 )
2
21) Plot the solution for 10x - 8<12.
22) Find the mean, median, mode, range and standard deviation of the following ages.
Realize an average doesn't always have six numbers, these just fit well on the quiz.
15
16
12
13
14
20
23) Draw an x axis and y axis. Plot 3 points for y= 2/3x + 4 and connect the dots.
24) Find the slope of a line that contains points (8,-3) and (0, -4).
25) Two legs of a right triangle measure 20 feet and 21 feet. What is the measure of the
hypotenuse?