Download MA Quiz Mathematician

MA 08 Third Quarter Final Exam Review
Mathematician__________
A
Hour____
For 1-4 write each equation in SLOPE INTERCEPT FORM.
1) m = -4 , b = 2
2) m = 1/2 b= -3
3) m = -2/3 , b = 0
4) slope = -1, b = 2
Graph the following equations 5 – 10.
5) y = -3x – 2
8) y + 2x = 0
6) y = -x - 3
7) -2y = 2x – 6
9) y = -1/2x
10) -y = -1/4x – 1
12) (-2,3) (-2,4)
13) (1,0) (-3,-2)
For 11-13, find the slope.
11) (3,4) (4,5)
14) What does the line of a linear equation show us?
15) Write out the equation for slope intercept form.
Find the equation of each line for 16 and 17.
16) Use (2,2) and (2,3) as points
17) Use (0,2) and (-1,2) as points
18) Evaluate -6x2 + 5x if x = -3
19)Evaluate -x2 – 2y if x = -3 and y = -3
20)
100 • 0.4 – 100 ÷ 5
21) : Below are the shoe sizes for several seventh/eighth graders in Mrs.
Wong's math class:
6.5, 8, 9.5, 10.5, 10, 8, 7.5, 9, 9, 8 Find the mean. Round to the
nearest tenth.
Evaluate each expression if a = –3, b = -6, and c = –8
22) a2 - ca
23)
b
a
- cba
Write each percent as a decimal.
24) 3.2%
25) 3 %
Solve 26-28.
26) 102 ÷ 0.2
27) 10.6 x 0.002
28) - 22.4 + 343.45 ÷ 0.1
For 29-30, write each number in scientific notation.
29) 424,000,000
30) 4,178,000
Solve each equation for 31-33.
31) -3x – 10 = –1
33) -4x – 10 = -10.8
32)
-7 - 2y = –5
Write each decimal as a fraction. (simplify!!)
34) 0.42
35) 2.8
36) 0.040
For 37-40, graph each point and identify the quadrant for each point.
37) A (1,4)
38) B (-2,3)
39) C ( 3,0)
40) D (3,-2)
For 41-45, identify the slope (m) and y intercept (b) for each equation.
41) y = -x – 2
43) -2y = -4x – 6
45) 2x – 2y = -6
42) y = -1/2x - 4
44) - y + x = -4
Solve each equation for 46-50.
46) -3(-x + 2) = 12
48) -2x - 9 = –1
47) 7y – 4 + 2y = 4( y+ 3)
49)
7 + 3y = –5 + y
50) 2(x +14) = -10 + x
51) Write out the formula for the Pythagorean Theorem.
52) If a = 4, b = 3, what is c in a right triangle?
53) If c = 10, b = 8, find a in a right triangle.
54) If a = 2, b = 5, what is c in a right triangle?
55) Find percent of change….old 6 and new 9.
56) Draw an example of a linear equation.
57) Draw an example of a non linear equation.
58) What does slope represent in a line?
For 59-61, solve and graph each inequality.
59) -2x + 1 > 5
61) x/-3 – 4 > -4
62) Estimate the square root of 40.
60) x – 4 < -3