How can you rewrite this expression?
4(2x + 3)
8x+12
3 + (-3)=
0
Convert 87% to a fraction.
87/100
x + 1 + x could be simplified as...
2x+1
What is another name for scale factor?
Multiplier
Growth
Change
How can you rewrite this expression?
2(10x+7)
20x=14
-8 - 6=
-14
Convert 2/10 to a decimal.
.20
Combine like terms...
2x + 4x + x + 4
7x + 4
Does this graph show a proportional relationship in it's data?
No, the data does not start at (0,0).
How can you rewrite this expression?
12x + 18
3(4x+6)
12+(-11)=
1
Convert 3/8 to a percent.
You must divide the top by the bottom on this one. Your answer is .375, and you move the decimal two places to the right.
37.5%
What is a coefficient
A number placed before and multiplying the variable.
In the term 8x, 8 is the coefficient.
What is the scale factor in this proportion?
3/16 = 15/x
We would show that 3 was multiplied by 5 to get 15 in the second ratio, and therefore the scale factor is 5.
How can you rewrite this expression?
25x+15
5(5x+3)
Use "money" to explain your thinking as you solve...
15-(-7)=
After you Keep, Flip, and Change...
15+7=22
I had 15 dollars and my dad gave me 7 more. Now I have 22.
If Janet has three pair of red socks in her drawer and 10 pairs of socks total, what is the probability she will randomly pick a red pair?
3/10
She has 3 chances out of 10 of picking red.
What is the perimeter of this figure with like terms combined?
4x + 4
Solve for x in this proportion...
3/16 = 15/x
The scale factor is 5, and therefore x is (16x5) 80.
Using the Distributive Property...Name a pair of equivalent expressions.
Ex.
2(4x+5) is equivalent to 8x+10
How do you determine the sign of your solution when multiplying integers?
Positive x Positive = Positive
Negative x Negative = Positive
Negative x Positive = Negative
Positive x Negative = Negative
Jordan made the honor roll 10 of 16 quarters in high school. What percent of the time did he make honor roll?
You could write his proportion as 10/16 and then divide to find the percentage.
Jordan made honor roll 62.5% of the quarters in high school.
Use the Distributive Property to rewrite the expression and then combine like terms.
2(4y+8) + 6(3y+5) + 2x
First you would rewrite the expression as...
8y+16+18y+30+2x
Then combine the like terms to get...
26y+46+2x
What are all three rules for determining if a graph shows a proportional relationship in the data?
1. When graphed, the data must start at the origin (0,0).
2. The growth shown must be consistent.
3. The line graphed must be straight.