Proportional Relationships
State at least one characteristic of proportional relationships
Has a constant rate
Is a straight line on the graph
Goes through the origin (0,0)
The angles in a triangle add up to how many degrees?
180 degrees
A percent is always a number out of...
100
-1+2+5(2)
Solve for x
3x=12
x=4
A recipe uses 2 cups of flour for every 3 cups of sugar. How much flour is needed for 9 cups of sugar?
FREE FOR ALL
When is Ms C's birthday? Closest response wins the points.
Convert the following percent into decimal form:
45%
0.45
2(3)+6(-1)
0
Solve for y
6+y=10
y=4
If a car travels 120 miles in 3 hours, what is the unit rate?
40 miles per hour
Find the circumference of a circle with diameter of 10 cm. Use 3.14 for π.
31.4 cm
You are picking colored balls from a hat. If there are 5 red balls, 3 blue balls, and 6 yellow balls, what is the probability of choosing a red ball? Leave in Fraction form
5/14
(-1)(-1)(-1)(1)(4)
-4
Which inequality is true
-3 > 6
10 > 15
-34 < 3
A proportional relationship can be represented by the following equation.
y=5x
What is the constant of proportionality?
5
Lucie wants to grow a peanut plant in her backyard, so she measures the growth each day. The growth of the plant can be represented by the equation
y = 5x, where y represents the height in cm of the plant, and x= number of days.
What does the point (3 , 15) mean in the context of the problem?
A shirt is originally $40. It is currently on sale for 20% off. How much money do you save?
$8
3(x - 2y + 4)
3x - 6y +12
A number divided by 6 is equal to 5. What is that number?
30
Which of the following points is proportional with the point (2, 10)
a) (1,5)
b) (5,1)
c) (4, 8)
What is the difference between area and circumference of a circle?
Area describes how much space a flat circle takes up
circumference is the outside length, or perimeter of a circle
You are picking colored balls from a hat. If there are 5 red balls, 3 blue balls, and 6 yellow balls, what is the probability of choosing a green ball?
0
4(0.5x + 10) + x - 3
3x+37
If x = -9, which of the following inequalities is true
x > -8
x < -8
x < -8