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100% Original, Plagiarism Free, Customized to your instructions!     algebra part 1

## Question 1 (5 points)

If f(x) = 4(3x – 5), find −1 ( ).

Question 1 options:

 a) f−1(x) = x−2012 ${f}^{–1}\left(x\right)=\frac{x–20}{12}$

 b) f−1(x) = x+54 ${f}^{–1}\left(x\right)=\frac{x+5}{4}$

 c) f−1(x) = x+2012 ${f}^{–1}\left(x\right)=\frac{x+20}{12}$

 d) f−1(x) = x+512 ${f}^{–1}\left(x\right)=\frac{x+5}{12}$

## Question 2 (5 points)

What is the slope-intercept form of y + 6 = 2(x + 2)?

Question 2 options:

 a) y = 2x + 6

 b) 2x – y = 6

 c) y = 2x – 6

 d) y = 2x – 2

## Question 3 (5 points)

Which correlation coefficient corresponds to the best-fit line that most closely models its set of data?

Question 3 options:

 a) -0.87

 b) -0.15

 c) 0.84

 d) 0.13

## Question 4 (5 points)

Find the equation in slope-intercept form that describes a line through (4, –2) with slope –3

Question 4 options:

 a) y = –3x – 2

 b) y = –3x + 4

 c) y = –3x + 10

 d) y = –3x

## Question 5 (5 points)

If 5 deli sandwiches cost $29.75, how much will 8 sandwiches cost? Question 5 options:  a)$37.75

 b) $29.75  c)$0.16

 d) \$47.60

## Question 6 (5 points)

Which variable of time could cause a student’s GPA to increase?

Question 6 options:

 a) working

 b) sleeping

 c) studying

 d) eating

## Question 7 (5 points)

Find the equation in slope-intercept form that describes a line through (2, 4) with slope 0

Question 7 options:

 a) y = 4

 b) y = 2

 c) x = 2

 d) x = 4

## Question 8 (5 points)

Find the slope-intercept form of an equation of the line perpendicular to the graph of x – 3y = 5 and passing through (0, 6).

Question 8 options:

 a) y = –3x + 6

 b) y = 13x − 2 $y=\frac{1}{3}x–2$

 c) y = 3x – 6

 d) y = 13x + 2 $y=\frac{1}{3}x+2$

## Question 9 (5 points)

When are two distinct nonvertical lines parallel?

Question 9 options:

 a) when the slopes are opposite

 b) when the slopes are equal

 c) when the slopes are positive

 d) when the product of the slopes is –1

## Question 10 (5 points)

A line of fit might be defined as

Question 10 options:

 a) a line that has a slope greater than 1.

 b) a line that connects all the data points.

 c) a line that might best estimate the data and be used for predicting values.

 d) a vertical line halfway through the data.

## Question 11 (5 points)

The table below shows Lia’s bowling score each week she participated in a bowling league. Use the median-fit line to estimate Lia’s score for week 16.

Question 11 options:

 a) 257

 b) 182

 c) 173

 d) 180

## Question 12 (5 points)

Which is the graph of 3x – 4y = 6?

Question 12 options:

 a) b) c) d) ## Question 13 (5 points)

What is the standard form of y – 8 = 2(x + 3)?

Question 13 options:

 a) y – 2x = 11

 b) 2x + y = 14

 c) y = 2x + 14

 d) 2x – y = –14

## Question 14 (5 points)

Based on the data in the scatter plot, what would you expect the y-value to be for x = ‘20? Question 14 options:

 a) less than 50

 b) between 80 and 65

 c) between 65 and 50

 d) greater than 80

## Question 15 (5 points)

Find the equation in slope-intercept form that describes a line through (4, 2) with slope 12

$\frac{1}{2}$

Question 15 options:

 a) y = 12x $y=\frac{1}{2}x$

 b) y= −12x $y=–\frac{1}{2}x$

 c) y = 12x − 4 $y=\frac{1}{2}x–4$

 d) y = 2x – 10

## Question 16 (5 points)

Which is an equation of the line that passes through (–1, –5) and (–3, –7)?

Question 16 options:

 a) y = x – 4

 b) y = –2x + 4

 c) y = 2x + 4

 d) y = –x – 4

## Question 17 (5 points)

Which is the point-slope form of an equation for the line that passes through (0, –5) with slope 2?

Question 17 options:

 a) y = 2(x + 5)

 b) y + 5 = 2x

 c) y – 5 = x – 2

 d) y = 2x – 5

## Question 18 (5 points)

What is the slope-intercept form of the equation of a line that passes through (1, –6) with a slope of 5?

Question 18 options:

 a) y = 5x + 1

 b) y = 5x – 6

 c) y = 5x – 11

 d) y = 5x + 11

## Question 19 (5 points)

Which is an equation of the line with slope –3 and passes through (2, –1)?

Question 19 options:

 a) y = –3(x + 5)

 b) –3x + y = 5

 c) 3x + y = 5

 d) y = 5x – 3

## Question 20 (5 points)

If f(x) = 6x + 3, find −1 ( ).

Question 20 options:

 a) f−1(x) = x−63 ${f}^{–1}\left(x\right)=\frac{x–6}{3}$

 b) f−1(x) = 6x −3 ${f}^{–1}\left(x\right)=6x–3$

 c) f−1(x) = x−36 ${f}^{–1}\left(x\right)=\frac{x–3}{6}$

 d) f−1(x) = −3− 6x ${f}^{–1}\left(x\right)=–3–6x$

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