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Unit 1 Review Flashcards | StudBud
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Unit 1 Review
Unit 1 Review
14 terms
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StudBud Administration
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4 plays
#math #8thgrade #algebra
Flashcards
14 cards
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Practice quiz
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Host live
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Questions
14
Answers
1
-8+5
>
-8x5 or -8+5
<
-8x5 ?
None: -8+5 = -8x5
-8+5 < -8x5
-8+5 > -8x5
2
Solve the equation: n/10=1
n=10
n>10
n=-10
n=1
3
Cam has some pens. She bought 8 more and now has 14. What's the equation?
x=6
x+8 = 14
x-8 = 14
x+8=-14
4
Solve the compound inequality: -3
≤
p/-2
<
0
0 < p < 6
6 ≥ p ≥ 0
6 ≥ p > 0
0 < p ≤ 6
5
Bob had $18 and spent $4. He wants to buy candy for $0.50 each. How much can he buy?
27 pieces of candy
36 pieces of candy
28 pieces of candy
28 pieces of paper
6
Solve this equation: 6 = (2-y)/7
y=42
y=40
-y=-40
y=-40
7
Solve for r: s=qr-9
(s-9)/q=r
(s+9)/q=r
(s/q)-9=2r
(q+9)/s=r
8
Solve the inequality: 3x+6≥-12
x≥6
x≥-6
x>-6
x≤-6
9
Define Inverse Operations:
operations that undo each other
a mathematical process
10
Define Compound Inequality:
a statement in which the values of 2 expressions are equal
2 or more inequalities joined by the words or or and.
11
Bo read
x
pages. Then he read twice of that. Next he read 9 pages. He read 390 pages total.
x
=?
x=127 pages
x=98 pages
x=121 pages
x=130 pages
12
What is the definition of absolute value?
The magnitude of a real number without regard to its sign.
How far a number is from zero.
All of the answers.
How far a number is from 0.1.
13
Solve the absolute value inequality: |6-x|>4
x<2 and x>10
x<2 or x>10
x<-2 and x>10
x>2 or x<10
14
Solve this equation: 4(c+6)-2.8 = 4.5c+1
c=40.4
c=41.4
c=40
c=-40.4
