Quiz about Rewriting Equations

Question 1

What is the slope-intercept form of the equation $$4x-8y=72$$

Accepted Answer

$$y=\frac{1}{2}x-9$$

Answer

$$y=-4x+72$$

Answer

$$y=-4x-9$$

Answer

Question 2

Convert from Standard Form to Slope-Intercept Form.

$$2x+5y=40$$

Accepted Answer

$$y=-\frac{2}{5}x+8$$

Answer

$$y=\frac{5}{2}x+8$$

Answer

$$y=-\frac{5}{2}x-8$$

Answer

$$y=\frac{2}{5}x+8$$

Question 3

Convert from Standard Form to Slope-Intercept Form.

$$3x-y=-1$$

Accepted Answer

Answer

$$y=-3x-1$$

Answer

$$y=-3x+1$$

Answer

Question 4

Convert from Standard Form to Slope-Intercept Form.

$$6x-7y=-35$$

Accepted Answer

$$y=\frac{6}{7}x+5$$

Answer

$$y=\frac{7}{6}x-5$$

Answer

$$y=\frac{5}{7}x\ -6$$

Answer

$$y=-\frac{6}{7}x\ -5$$

Question 5

What is the slope intercept form of this equation?
3x - 4y = 24

Accepted Answer

$$y=\frac{3}{4}x-6$$

Answer

$$y=\frac{3}{4}x+6$$

Answer

$$y=-\frac{3}{4}x+6$$

Answer

$$y=-\frac{3}{4}x-6$$

Question 6

$$2x-6y=12$$

What is the slope of this line?

HINT: NOTICE THAT THIS EQUATION IS NOT IN SLOPE-INTERCEPT FORM

Accepted Answer

$$\frac{1}{3}$$

Answer

12

Answer

-6

Answer

Question 7

what is the y intercept of:
-7x - 3y = 21

Accepted Answer

-7

Answer

7

Answer

3

Answer

-3

Question 8

Rewrite the equation in slope intercept form (Solve for y):
-5x + 6y = 12

Accepted Answer

$$y=\frac{5}{6}x+2$$

Answer

6y = 5x + 12

Answer

$$y=-\frac{5}{6}x+2$$

Answer

$$y=-\frac{5}{6}x+12$$

Question 9

Change the following to slope-intercept form:
5x - 5y = 25

Accepted Answer

y = x - 5

Answer

y = 5x - 1

Answer

y = -x + 5

Answer

y = 5x + 1

Question 10

Write in slope intercept form 2x - 3y = 12

Accepted Answer

$$y=\frac{2}{3}x-4$$

Answer

$$y=\frac{3}{2}x-4$$

Answer

$$y=\frac{2}{3}x+4$$

Answer

$$y=-\frac{2}{3}x-4$$

Rewriting Equations

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