AnswersTN-Algebra I A SC 26-27 Elective FocusSolving Systems of Linear Equations: Substitution

Solving Systems of Linear Equations: Substitution Answers

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1
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The equation representing the left table is .

A
y = –4x + 6.1
B
y = –3x + 4
C
y = 4x – 3.75
D
y = 6.1x – 4
2
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The equation representing the right table is .

A
(–6, 3)
B
(2.2, –2.7)
C
(4, –9.9)
D
(5, 1.5)
3

The solution to the system of equations is.

A
(–6, 3)
B
(2.2, –2.7)
C
(4, –9.9)
D
(5, 1.5)
4

Anna wants to take fitness classes. She compares two gyms to determine which would be the best deal for her. Fit Fast charges a set fee per class. Stepping Up charges a monthly fee, plus an additional fee per class. What is the system of equations representing these costs?

A
y = 5.5x and y = 7.5x + 10
B
y = 7.5x and y = 5.5x
C
y = 7.5x and y = 5.5x + 10
D
y = 7.5x + 10 and y = 5.5x + 10
5

The equation representing the left table is .

A
y= –1.5x – 3
B
y = 1.5x – 6
C
y = x – 4.5
D
y = 3x – 1.5
6

Which system has no solution?

A
Option
B
Option
C
Option
D
Option
7

The equation representing the right table is .

A
y = –4x + 6.1
B
y = –3x + 4
C
y = 4x – 3.75
D
y = 6.1x – 4

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