Integers
13 - 23
-10
What do you do to find the constant of proportionality?
Y÷X
7 - 3(4-2x) - 10x is equivalent to
-5 - 4x
Solve for x
28 + 2x = 76
x = 24
Solve for x
12x > 48
x > 4
-4 - 15
-19
If a relationship is proportional, its graph intersects or starts at the
Origin or (0,0)
Is -8 - 2(3+2x) + 7x equivalent to -30 - 13x?
No
Solve for x
2/3x = 10
x = 15
Solve for x
x/9 > 3
x > 27
90 ÷ -3
-30
In a cookie recipe 2.5 cups of flour is needed for every 1 cup of butter. This is called a
Unit Rate
The perimeter of a rectangle with a length of 50 and a width of x can be represented by 50+x+50+x. What is another way of writing this expression?
2(50+x) or 2(50)+2x
Solve for x
28 – 32x = 92
x = -2
Solve for x
4 + 30x > -146
x > -5
-8 - (-4)
-4
Michelle goes on a 6.4 mile hike and it takes her 2.5 hours. How fast does she hike in mph?
2.56 mph
If two expressions are equivalent, does it matter which one you use to solve a problem?
No, if they are equivalent all answers will be the same.
Solve for x
4(5+x) = 44
x = 6
Solve for x
42 - 7x ≥ 4(7x - 7)
2 ≥ x
-50 x -24
1200
# of Tickets: 3 5 10
Total Cost: 81 135 270
What is the cost for one ticket?
$27
Simplify 3(2x+5) - 4(x-2)
2x + 23
The perimeter of a rectangle is 47ft. The length is x and the width is 7.5ft. What is the equation that could be used to determine the width.
2x + 15 = 47
What happens to the inequality sign when you divide both sides by a negative number?