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