Proportional Relationships
Simplifying Expressions
Solving Equations
Inequalties
Circles
100
Does the table show a proportional relationship or not? Why?
No, there is not a proportional relationship. There is no constant of proportionality.
100
Simplify:
-9+5n+n-8
6n-17
100
Solve:
-13+p=-24
p=-11
100
Write the inequality:
x<-1
100
The arrows in the diagram shows which: Circumference or Area?
Circumference.
200
Which of the following graphs show a proportional relationship? And why?
Graph 1. Starts at the origin (0, 0) and is a straight line.
200
Simplify:
-8(1-10n)
80n-8
200
Solve:
x/35=1/7
x=5
200
What's a possible solution of the inequality:
x/2-1>=-3
x>=-4
200
Write the formula for Circumference given the Circle with the radius of 7.
14pi ft
300
Write the proportional equation for the following situation:
There is a proportional relationship between the total cost of cookies, x, and the number of dozens of cookies, y. (y=kx)
y=1/4x
300
Simplify:
2p-10(10+4p)
-38p-100
300
Solve:
-5-3n=-41
n=12
300
Which graph represents
x> -5
A
300
Write the formula for the area of a circle with radius 10m
A=pi(10)^2
400
Which table(s) show a proportional relationship?
The table on the right show a proportional relationship.
400
Simplify:
-6(8k-3)+7(5k+2)
-13k+32
400
Solve:
1+n/2=5
n=8
400
What are the solutions for the inequality?
3+x<16
x<13
400
Circumference formula or Area formula?
While decorating the gym for the spring dance, students decided to place a string of daisies around the clock on the gym wall. If the string of daisies needs to be 38 inches, what is the diameter of the clock to the nearest tenth of an inch?
Circumference formula.
500
Write the proportional equation for the following graph:
y=2/3x
500
Simplify:
6/5(-2/3b+3/10)
-4/5b+9/25
500
Scott spent $21 on a magazine and some erasers. If the magazine cost $7 and each eraser cost $2, then how many erasers did he buy?
7 erasers
500
Find the solutions for the inequality:
-6+r/4> -4
r>8
500
How would you find the area of the shape? Describe.
Find the area of the 2x2 square, then find the area of the circle with radius 1, then add the two areas together.