8th grade - Linear Equations

Slope-intercept Form

100

Put this in slope intercept form:

2x-y=3

y=2x-3

200

Double points!!

Put this in slope-intercept form:

3x+8+3x=2y

y=3x+4

300

Find the y-intercept:

y-12=6x+8

b = 20

400

Find the slope:

10x=2+y

m = 10

500

Find the slope and y-intercept:

y=-5/2x-13

m = -5/2

b = -13

Standard Form

100

Put this in standard form (Ax+By=C):

y=2x-5

y-2x=-5

200

Put this in standard form (Ax+By=C):

11x + 5x - 4y = 10 - 12

16x-4y=-2

300

Find the slope:

-10x+y=24

m = 10

400

Find the y-intercept:

-5x+y=12

b = 12

500

Put this in standard form (Ax+By=C):

y=1/2x+8

-1/2x+y=8

OR

1/2x-y=-8

X & Y intercepts

100

Find the x intercept:

3x + 4y = 5

(5/3,0)

OR

x = 5/3

200

Find the y-intercept:

13x+3y=15

(0,5)

OR

y=5

300

Find the x-intercept:

37x+15y=74

(2,0)

OR

x=2

400

Find the y-intercept:

100x-100y=100

(0,-1)

OR y=-1

500

Double points!!

Find the x and y-intercepts:

3x+6y=9

x-intercept is (3,0)

y-intercept is (0,3/2)

Basics

100

13*4*2

104

200

108/12 + 1

10

300

Combine like terms:

2x + 3 + 5x - 9 + y - 50 + 4x

11x + y - 56

400

3/5 + 4/9

Write answer as a mixed number.

1 2/45

500

-3 + 5 -12 + (-2) - 0 + 12 - (-5)

5

Is the category actually fun?

100

What is our school mascot and what is a group of them called?

A pod of dolphins

200

What is the only even prime number?

2

300

What is the value of pi rounded to the nearest hundredth?

3.14

400

What is a shape with 8 sides called? Give me an example of it.

Octagon

examples include...stop sign, our classrooms, umbrellas, etc.

500

Riddle: I am not greater than or less than anything. What am I?

An equal sign!