# Equations of lines

1. find the slope-intercept equation of the line that has the given characteristics.

slope 6 and y- intercept (0,3)

The slope- intercept equation is y=

2. Find the slope- intercept equation of the line that has the given characteristics.

Slope 8.8 and y-intercept (0,-4)

The slope -intercept equation= .

(Use integers or decimals for any numbers in the expression.)

3. Find an equation of the line having slope and containing the given point

m=8, (3,2)

The equation of the line is y= . (Simplify your answer. use integers or fractions for any numbers in the expression)

4. Find an equation of the line having the given slop and containing the given point.

M= 4/5, (8,-4)

The equation of the line is y=. Simplify your answer. Use integers or fractions for any numbers in the expression)

Find an equation of the line containing the given pair of points. Express your answer in the form x=a,y=b,or y=mx=b.

(-4,-4) and (6,6)

What is an equation of the line?

Y= . Simplify your answer

5. Find an equation of the line containing the given pair of points

(-2,-9) and (-6,-8)

The equation of the line is y=. Simplify your answer. Use integers or fractions for any numbers in the expression)

6. Find an equation of the line containing the given pair of points.

(1/4,-1/2) and (3/4,5)

What line is the equation of the line?

Y= . Simplify your answer. Type answer in the form y=mx + b using integers or fractions.

7. Write an an equation of the line containing the given point and parallel to the given line. Express your answer in the form y= mx + b.

(2,3;x+4y=3

the equation of the line is y= . Use integers or fractions for any numbers in the expression).

8.

Write an an equation of the line containing the given point and parallel to the given line. Express your answer in the form y= mx + b.

(9-,9); 2x=5y+7

The equation of the line is y= .( Simplify your answer Use integers or fractions for any numbers in the expression).

9. Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y=mx +b.

(5,9);7x+y=4

the equation of the line is y= .

Simplify your answer Use integers or fractions for any numbers in the expression).

10. Write an equation of the line containing the given point and perpendicular to the given line.

(2,-6);2x+3y=7

the equation of the line is y= .

Type your answer in the form y=mx+ b. simplify your answer. Type an integer or a fraction.

10. Media Services charges $40 for a phone and $20/months for its economy plan.

Find a model that determines the total cost, c(t),of operating a Media Services phone for t months.

C(t)= .

#### Solution Summary

This provides examples of writing equations of lines, and creating an equation for a word problem.