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7.11A Equations&Inequalities - Stewart Flashcards | StudBud
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7.11A Equations&Inequalities - Stewart
5x - 2 = -27
Solve for x
7.11A Equations&Inequalities - Stewart
40 terms
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Answers
1
Solve for x
3
5
6
4
2
5x - 2 = -27
-5
270
5
25
3
A mathematical sentence that contains the symbols > or <
Inequality
Equation
Constant of Proportionality
Direct Proportion
4
An equation is modeled. What value of x makes the equation true?
1
-1
7
-5
5
-8 = 2x + 100
-10
-54
-8
8
6
A mathematical process that reverses the effect of another operation
Inverse Operation
Variable
Term
Proportion
7
18 - 2X ≥ 4
X ≤ -7
X ≤ 7
X ≥ 7
X ≥ -7
8
Solve for x
4
3
5
6
9
Solve for x
4
1
2
3
10
An equation which states that two ratios are equal
Term
Division Property of Equality
Multiplication Property of Equality
Proportion
11
4 = -2x + 20
8
-3
10
3
12
How many circles will go into each triangle?
1
4
3
2
13
X/2 - 9 < -5
X < 8
X >8
X < -8
X > -8
14
The model represents an equation. What value of x makes the equation true?
3
4
6
8
15
3 + 2x = 19
-8
19
8
6
16
68 = -4x + 60
-2
6
2
-6
17
3X + 10 ≥ 1
X ≤ -3
X ≥ -3
X ≥ 3
X ≤ 3
18
8X - 12 ≥ -4
X ≤ -2
X ≤ 1
X ≥ -2
X ≥ 1
19
The constant value of the ratio of two proportional quantities x and y; y = kx
constant of proportionality
inequality
direct proportion
equation
20
a mathematical sentence that shows that two expressions are equivalent
equation
solution
operation
inquality
21
A letter or symbol used to represent a number or quantities that vary
Variable
Term
Inverse Operation
Proportion
22
X/5 + 8 < 9
X < 5
X > 5
X > 1/5
X < 1/5
23
A mathematical sentence that contains an equal sign
Division Property of Equality
Constant of Proportionality
Equation
Inequality
24
X/2 + 6 > -2
X < 2
X > 2
X > -16
X < -16
25
Solve
3 - 2y = 11
4
-5
-4
5
26
What is the value of x in the equation 2x + 2 = -52 ?
27
-25
25
-27
27
The______________ of x in the expression 8x is 8.
Solution
Answer
Coefficient
Variable
28
A(n)_______________ is an equation that has two operations.
Two-Step Inequality
One-Step Equation
Three-Step Equation
Two-Step Equation
29
(>) is symbol used to compare two numbers, with the greater number given first
less than
operations
equation
greater than
30
X/-3 + 5 ≥ 2
X ≥ 9
X ≤ -9
X ≥ -9
X ≤ 9
31
12 - 7X ≤ -2
X ≤ 2
X ≥ 2
X ≤ -2
X ≥ -2
32
the number that is multiplied by the variable in an algebraic expression
equation
constant
coefficient
operation
33
a value that does not change
constant
equation
solution
coefficient
34
( <) is a symbol used to compare two numbers, with the lesser number given first
equation
greater than
less than
constant
35
-10 = 6x - 22
-4
2
-2
4
36
a mathematical sentence that shows the relationship between quantities that are not equivalent
inequality
operations
equation
integers
37
$35 per hour for labor. $40 for a ladder rental. Total charge to paint house was $950.
26 hours
28 hours
12 2/3 hours
Not here
38
Solve 5x+3 = -2
7
-1
13
-13
39
How many squares go in each rectangle? Use "Y" for each rectangle.
4
3
5
6
40
Walter and Brian each have a CD collection. What is x, the # of CDs in Walter's collections?
108
72
48
36
