Linear Equations Review

Slope

100

This is another name for slope

What is Rate of Change

200

what is the slope the the line y=2x+4

2

300

what is the slope of the line 2y+4x=3

-2

400

what is the slope between the two points (2,2) and (6,10)

8/4= 2

500

what is the slope between the two points (4/5, 3) and (1/2, 10.5)

What is -25

Forms of linear Equations

100

write the equation in slope intercept form y+5x=10

What is y=-5x+10

200

write an equation in slope intercept form that has the y intercept at 5 and has a slope of 10.

y=5x+10

300

write an equation in point slope form that goes through the points (10,11) and (20,22)

y-22=11/10(x-20) or y-11=11/10(x-10)

400

Name the point that this line passes through.

y - 6 = -2(x + 5)

(-5, 6)

500

what is the slope of this line?

 y+2x+5=5x

3

What form?

100

What is the standard form of a linear equation?

Ax + By = C

200

What 2 things do you need to write an equation in point-slope form?

The slope and a point

300

Write the following equation in standard form.

y - 3 = -2/3(x + 6)

2x + 3y = -3

400

Write an equation in simplified form for the following information:

(5, -2)

slope = 0

y = -2

500

draw a line with an undefined slope

Vertical

More Forms of Linear Equations

100

What is the y intercept of this line?  y = 2x - 3

What is (0,-3)?

200

What is the equation for the line that has the following ordered pairs (4,1)   (8,2) and (0,0)?

y= 1/4 x or y = 0.25x

300

What is the slope of the line: -6x-2y=9?

-3

400

What ordered pair does the following line go through?  y - 8 = 2( x + 3)?  

(-8,3)  or  (8,-3)   or (3-8)   or (-3,8) 

(-3,8)

500

Write the equation of the line in both SIF and PSF that goes through (-2, 5) and (6, 10) 

y = 15/4x + 25/4  and y-10 = 5/8(x - 6) or y - 5 = 5/8(x + 2)