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Unit 1 Test (No attempt REDO)

Last updated over 4 years ago
22 questions
Note from the author:
Simplifying roots and equations of lines
Basic
1

Simplify the square root:

1

Simplify the square root:

1

Solve the equation for x:
4x - 6 = 5x +3

1

Solve the equation for x:
2(2x + 3) = 8x - 19

1

Solve the equation for y, leave answer in simplest radical form if necessary:

1

Solve the equation for x:

1

Write the equation in slope intercept form.

1

What is the slope?

1

What is the y intercept?

1

Write the equation in slope intercept form.

1

What is the slope?

1

What is the y-intercept?

Proficient
1

Write the equation of the line in slope-intercept form.

1

Graph your equation from #13

1

Write the equation of the line in slope-intercept form.

1

Graph your equation from #15

2

Suppose that a line passes through (-1, 1) and (-3, 7). Find the equation of the line in slope-intercept form.

1

Yolanda solved the equation shown on the left. Is her answer correct?

1

If she is incorrect, show the correct work to fix her mistake.

Mastery
1

A bike rental company rents beach bikes. They charge an initial fee, plus $1.25 for each hour the bike is rented. Angie rented a bike for 6 hours ans was charged $10. Let x represent the number of hours and y represent the total cost of the rental.
What is the slope-intercept equation for the line that fits this information?

1

Using your answer from #20, if another customer rents a bike for 4 hours, how much should they expect to pay?

3

A line with a slope of -.5 passes through the points (3, p), (4, 4), and (n, 2.5). Find the y-intercept of the line, n, and p.