Addition
-5 + 9
4
6 - -3
9
How do you find k?
y/x
Is the product a negative or a positive?
-a(-b)
Positive
Positive or Negative
- 2/3
Negative
-12 + - 5
-17
8 - 9
-1
What is the equation for proportional relationships?
y=kx
(8)(-5)(-3)
120
Positive or Negative
- (2/-3)
Positive
-4 + 7 + -15
-12
-6 - 4 - -12
2
What is the equation for a graph that goes through (4,24)
y = 6x
What is the product?
(-3)(-4(-7)
3/4 / 6/8
1
Rewrite to addition
(3/4 - -6/7)
(3/4 + 6/7)
The temperature is -6 degrees at 12 noon. Several hours later the temperature is 22 degrees. What is the change in temperature?
28
What is the equation for a graph that goes through
(3, 21)?
y=7x
2/3(1/4 - 3/4)
-1/3
What is the quotient?
- (-18/-3)
-6
-2(-4 + 8)
-8
-3(-4 - -8)
-12
What is the unit rate if Joanna make $248 in 8 hours?
$31
1/2(-3)(-5)(6)
45
What is the price per ounce?
$3.24/7oz
$.46