Explain how to use the slope and y-intercept to graph an equation in the form y=mx+b.
What is ...
Step 1: graph the y-intercept (0,b)
Step 2: use rise/run to 'count' to the next point (m)
Step 3: Draw a line connecting the points with arrows on the ends.
100
Solve.
x+3=2x-5
What is x=8?
100
Find the complement of 75 degrees.
What is 15 degrees?
200
Multiply (2x+3)(3x-4)
What is 6x^2+x-12?
200
-50-(-2)
What is -48?
200
Graph using a table. x+3y=6
Possible points:
(0,2)
(1, 1 2/3)
(2, 1 1/3
(3,1)
200
2x+3+4x=-5 -2x
What is x=-1?
200
The exact area of a circle is 25pi square inches. What is the radius?
What is 5 inches?
300
Subtract (3x^3-4x)-(2x^2+6x-3)
What is 3x^3-2x^2-10x+3?
300
(-30)(-2)(3)
What is 180?
300
Graph using x- and y-intercepts.
4x + y = 8
Must have these points on graph:
(0,8)
(2,0)
300
(Fractions)
1/2 x + 3/4 = 2/4 x + 6/8
What is All Real Numbers?
300
Convert the following.
5mm = _______ dKm
7.5 dg = _______ g
36,000 L = _______ mL
What is
0.0005 dKm?
0.75 g?
36,000,000 mL?
400
Divide (2x^3-4x^2+10x-4) / (2x)
What is x^2-2x+5-(2/x)?
400
0.526 - 1.737
What is -1.211?
400
These two lines are related in a certain way.
y=3x+1
y=3x-2
What is parallel?
400
A solid wooden board is cut into 2 pieces. The second piece is 2 feet longer than twice the first piece. Find the length of each piece, if the original board was 14 feet long. (Must show equation also)
What is 4 feet (1st piece) and 10 feet (2nd piece)?
x + 2x+2 = 14
400
75 degrees Fahrenheit = _________ degrees Celsius
What is 23.9 degrees Celsius?
500
The area of a rectangle is found by multiplying the length times the width. If the area is 22x^2 square feet, and the length is 2x feet, find the width.
What is 11x feet?
500
(Fractions)
1/2 + 2/5 - 3/4
What is 3/20 ?
500
Find the equation of the line that goes through the point (2, -3) and has a slope of 4.
What is y=4x+14?
y-2=4(x - -3)
500
The sum of 3 consecutive even integers is 366. Find the three integers. (Must show equation also.)