Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
1) 5w ­2 = 30.5
2) x 2
+ 3 = ­4.4
3) Write an equations and solve:
a) six times a number is ­33.6
b) a number divided by ­3 is 45.6
1
Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
1) 5w ­2 = 30.5
2) x 2
+ 3 = ­4.4
3) Write an equations and solve:
a) six times a number is ­33.6
b) a number divided by ­3 is 45.6
2
Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Any Questions??? Last Nights Homework
Page 271 ­ 274
# 5(a), #6(b) # 8(a)
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Use inverse operations to solve for "x":
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
5
Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
What trick can we use to remember
how to "undo" 2 or more
mathematical operations???
SAMDEB!!!
But becareful because it doesn't always work ***
***
Let's solve this equation algebraically together
using SAMDEB:
4.5d + 3.2 = 18.5
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Solve for "d"
4.5d + 3.2 = 18.5
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Solve 3x ­ 1 = 7
2
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
9
Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Solve 4(x­3) = ­10
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
7= 2(3x+ 4) 11
Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Solve 2
5x + = 1
3
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
write equations and solve
Find the height and width of a box if given the Area is 52cm2 and the volume is 187.2 cm3 length is 8cm
Area = l x w
Volume = l x w x h
=
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Day 2_ Section 6.1 Solving Equations by Uning Inverse Operations.notebook
February 06, 2017
Page 271 ­ 274
Period 1, 2
5(a) 6(b), 11, 13,
# 8(all), #9(ab) , #10(abcd),
14, 16, 18(ace), 20, 24 (ac)
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