algebra part 1

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Question Description

## Question 1 (5 points)

If f(x) = 4(3x – 5), find ^{−1} ( ).

## Question 2 (5 points)

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

## Question 3 (5 points)

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

## Question 4 (5 points)

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

## Question 5 (5 points)

If 5 deli sandwiches cost $29.75, how much will 8 sandwiches cost?

## Question 6 (5 points)

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

## Question 7 (5 points)

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

## 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 9 (5 points)

When are two distinct nonvertical lines parallel?

## Question 10 (5 points)

A line of fit might be defined as

## 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 12 (5 points)

Which is the graph of 3x – 4y = 6?

## Question 13 (5 points)

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

## 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 15 (5 points)

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

## Question 16 (5 points)

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

## 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 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 19 (5 points)

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

## Question 20 (5 points)

If f(x) = 6x + 3, find ^{−1} ( ).

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