Date post: | 04-Jan-2016 |
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TABLES AND VALUESSection 1.5
Open Sentence•Mathematical statement that contains algebraic expressions and symbols.
Equation•Mathematical statement that contains an equal sign.
Solution•The value for a variable that makes a statement true.
• It’s called solving the equation
Replacement Set•A set of numbers from which replacements for a variable may be chosen.
Solution Set•Set of elements from the replacement set that make an open sentence true
Find the solutions set of the equation below given the replacement set {2, 3, 4, 5}:
x 2x + 1 = 9 True or False
Find the solutions set of the equation below given the replacement set {-1, 0, 1, 2}:
𝐸𝑞𝑢𝑎𝑡𝑖𝑜𝑛 :3 𝑥−4=2x 3x – 4 = 2 True or False
Find the solutions set of the equation below given the replacement set {-2, -1, 0, 1}:
𝐸𝑞𝑢𝑎𝑡𝑖𝑜𝑛 :3 (2 𝑥−1 )=−9x 3(2x-1)=-9 True or False
Solve using the Order of Operations
𝑥=3+ (42−3 )÷2
Solve using the Order of Operations
𝑥=82− (2+8 ) ∙3
Solve using the Order of Operations
𝑥=62÷9−7+3
Solve:
8+𝑛=9
Solve:
6+4 (2+3 )+𝑥=30
Solve:
6− (23−12 )+𝑦=17
Solve:
2+8 (3+2 )+𝑥=𝑥+6 ∙7
Solve:
(2 ∙5 )+ 𝑐2
3=𝑐2÷ (15+2 )+10
Homework• p. 34 (11-32)