2017­3­13 test review.notebook
March 13, 2017
Today is Mon
3/13
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­Take Out HW
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Mrs. Garrand decided to start collecting cactuses. At Lowe's large cactuses cost $10 each and small cactuses cost $4 each. If Mrs. Garrand spent $300 and bought a total of 36 cactuses, how many of each kind did dhe buy?
2017­3­13 test review.notebook
March 13, 2017
HW Answers
1) 10 adult and 11 child tickets
2) 5 chicken and 1 steak
3) 5 hot dog and 3 hamburger
4) $8.50 per pizza and $2 per breadsticks
5) $36 per day and $.22 per mile
6) $75 per night and $15 per meal
Today's Objective : Test Review
2017­3­13 test review.notebook
y = 3x
m = b = y = 3x + 4
m = b =
How many solutions?
y = 3x + 2
m = b = y = ­x + 6
m = b = How many solutions?
March 13, 2017
2017­3­13 test review.notebook
March 13, 2017
3) Steve bought 2 sodas and 4 hot dogs for $8. Jessica bought 2 sodas and 2 hot dogs for $5. What is the cost of one hot dog? What is the cost of one soda?
4) The sum of two numbers is 30. Their difference is ­4. What are the two numbers?
2017­3­13 test review.notebook
March 13, 2017
5) y = 4x + 2
m = y = 4x ­ 8
b = 6) y = x ­ 9
y = 5x ­ 1
m = b = m = m = b = b = # of solutions______
# of solutions______
________________
________________
1
m = 1
b = 7) y = x + 1
3
y = x ­ 3
3
2
8) y = x ­ 3
3
2
x + y = ­ 3
m = b = 3
m = m = b = b = # of solutions______
# of solutions______
________________
________________
2017­3­13 test review.notebook
March 13, 2017
Solve the systems of equations, in questions 9 & 10, by using the
substitution method.
9) 2x + y = 13
y = 5x - 1
Check Solution:
10)
x = 2y - 4
-3x + 4y = 20
Check Solution:
2017­3­13 test review.notebook
March 13, 2017
Solve the systems of equations, in questions 11 & 12, by using the
elimination (addition) method.
11) 4x - 3y = 17
-2x + 3y = -7
Check Solution:
12)
3x - y = 24
2x + 2y = -32
Check Solution:
2017­3­13 test review.notebook
y = 2x + 7
m = b = 1
y = ­ ­ 8
2
m = b = Solution:
March 13, 2017