Creating Linear Equations
Solving Systems of Equations
Factoring
100
Random Question 1: How far is the Earth from the sun?
93 million miles
100
Solve for x and y using substitution.
x + y =1
y = 2x - 8
(3, -2)
100
Random Question 2: What civilizations were known for their early math?
Chinese, Indian, Aztec
200
A yearbook company promises to give the senior class a picnic if they spend at least $28,000 on yearbooks and class rings. Each yearbook costs $35 and each class ring costs $140. Write the linear inequality.
35x + 140y > 28000
200
Solve using substitution.
x = –3
8x + 4y = 12
x= -3 / y = 9
200
2n(5n +9)
10n2 + 18n
300
Two people improve their yards by planting daylilies and shrubs. The bought their supplies from the same store. Pat spent $36 on 7 daylilies and 2 shrubs. Mike spent $72 on 8 daylilies and 10 shrubs. Write the system of equations.
7x + 2y = 23
8x + 10y = 72
300
4x – 2y = 10
4x – 5y = -5
(5, 5)
300
(2x + 7)(-3x -1)
Simplify
-6x2 – 23x – 7
400
Jen is working two jobs. She works over 50 hours per week and makes $12 per hour as tutor and $15 per hour at a fast food place. Jen made at least $6,600 over the past few months.
x + y > 50
12x + 15y > 6600
400
(2,1)
400
What are the solutions to the quadratic graph?
x = -3 (-3, 0)
x = 7 (7, 0)
500
A Honda Civic costs $350 per month for a car payment plus $450 for insurance annually. A Ford Fusion costs $200 per month for a car payment and $750 for insurance annually. Write the system of equations.
y = 350x + 450
y = 200x + 750
500
4
500
What civilizations were known for their early math?
Chinese, Indian, Aztec