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8th grade MATH REVIEW END OF YEARRR Flashcards | StudBud
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8th grade MATH REVIEW END OF YEARRR
8th grade MATH REVIEW END OF YEARRR
20 terms
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basics of algebra review
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Write an equation of the line with slope ½ and y-intercept 0
y = ½x
y = ½x + 1
y = ½
y = 0x + ½
2
Find the slope from the following two points. A (2, 7), B (3, -8)
15/1
15/-1
-1/-1
-1/1
3
Solve for x. 3x + 7 - x = 11
x = -2
x = 1
x = 9
x = 2
4
What is the slope of the line below?
4/3
3/4
-4/3
-3/4
5
Solve for x. 3(4x - 12) = 36
x = 12
x = -6
x = 6
x = 0
6
Write 5 X 5 X 5 X 5 X 5 X 5 in exponential form.
56
15,625
65
56
7
Write in scientific notation. 0.000000345
3.45 X 10-7
3.45 X 10-6
3.45 X 106
3.45 X 107
8
What is the equation of the line below?
x = 2
y = -2
y = 2
x = -2
9
Multiply, answers need to be in scientific notation. (3.2 X 10
3
) X (2.7 X 10
7
)
5.9 X 1021
5.9 X 1010
8.64 X 1010
8.64 X 1021
10
Solve for x. 2x - 7 = 11
36
9
10
2
11
Solve the following for x. -(5x - 3) = 13
x = -2
x = 3.2
x= -3.2
x = 2
12
What is the equation of the graph below?
y = -2x + 2
y = ½x + 2
y = 2x + 2
y = ½x - 2
13
Write in scientific notation. 32,000,000
3.27
3.2 X 108
3.2 X 106
3.2 X 107
14
Simplify using exponent rules. 123
0
1
-1
123
0
15
Solve for x. 2(x + 3) - 8 = 10
x = 6
x = 2.5
x = -2
x = -6
16
What is the slope and y-intercept of the following. y = -2x - 3
slope -3, y-intercept -2
slope -2, y-intercept -3
slope -2, y-intercept 3
slope 3, y-intercept -2
17
Multiply, answer needs to be in scientific notation. (5.1 X 10
8
) X (3.3 X 10
5
)
16.83 X 1013
1.683 X 1012
16.83 X 1040
1.683 X 1014
18
Put in standard form. 5.74 X 10
-5
57,400,000
574,000
0.0000574
0.00000574
19
Simplify using exponent rules. 2
4
X 2
6
210
246
28
2-2
20
Simplify using exponent rules. (3
2
)
5
325
37
310
3-3