AnswersMathematics IIILiteral Equations

Literal Equations — Quiz Answers

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Gavin wrote the equation p is equal to the fraction with numerator 3 times open paren s plus 100 close paren and denominator 4 to represent p , the profit he makes from s sales in his lawn-mowing business. Which equation is solved for s ?

A
s is equal to 4 p over 300
B
s is equal to 400 p over 3
C
s is equal to the fraction with numerator p minus 100 and denominator 3
D
s is equal to the fraction with numerator 4 p minus 300 and denominator 3
2
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If l is equal to p r t , which equation is solved for t ?

A
l minus p r is equal to t
B
the fraction with numerator l minus p and denominator r is equal to t
C
l plus p r is equal to t
D
l over p r is equal to t
3

The formula for the area of a regular polygon is cap A is equal to 1 half A p What is the equation solved for A ?

A
A is equal to 2 p over cap A
B
A is equal to 2 cap A minus p
C
A is equal to 2 cap A
D
A is equal to 2 cap A over p
4

The selling price, s , of an item is s is equal to c plus m c , where c is the cost of the item and m is the percent markup based on cost. What is the formula solved for m ?

A
m is equal to the fraction with numerator s plus c and denominator c
B
m is equal to the fraction with numerator s minus c and denominator c
C
s minus c is equal to m
D
s plus c is equal to m
5

The formula cap s is equal to the fraction with numerator n times open paren A sub 1 plus A sub n close paren and denominator 2 gives the partial sum of an arithmetic sequence. What is the formula solved for A sub n ?

A
A sub n is equal to 2 cap s minus A sub 1 n plus n
B
A sub n is equal to the fraction with numerator 2 cap s plus A sub 1 n and denominator n
C
A sub n is equal to 2 cap s plus A sub 1 n plus n
D
A sub n is equal to the fraction with numerator 2 cap s minus A sub 1 n and denominator n
6

The equation y is equal to m x plus b is the slope-intercept form of the equation of a line. What is the equation solved for b ?

A
y minus m x is equal to b
B
y minus m is equal to b
C
y over m x is equal to b
D
y over m minus x is equal to b
8

Which equation is equivalent to 4 s is equal to t plus 2 ?

A
s is equal to t minus 2
B
s is equal to the fraction with numerator 4 and denominator t plus 2
C
s is equal to the fraction with numerator t plus 2 and denominator 4
D
s is equal to t plus 6
9

Given the equation p is equal to s sub 1 t minus s sub 2 t , which equation is solved for t ?

A
t is equal to p times open paren s sub 1 minus s sub 2 close paren
B
t is equal to the fraction with numerator p and denominator s sub 1 minus s sub 2
C
t is equal to p minus s sub 1 plus s sub 2
D
t is equal to the fraction with numerator p and denominator s sub 1 plus s sub 2
10

The final velocity, cap v , of an object under constant acceleration can be found using the formula cap v squared is equal to v squared plus 2 A s , where v is the initial velocity (in meters per second), A is acceleration (in meters per second), and s is the distance (in meters). What is the formula solved for A ?

A
the fraction with numerator cap v squared plus v squared and denominator 2 s is equal to A
B
the fraction with numerator cap v squared minus v squared and denominator 2 s is equal to A
C
cap v squared minus v squared minus 2 s is equal to A
D
cap v squared minus v squared plus 2 s is equal to A

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Literal Equations — Quiz Answers — Mathematics…