1­3 day 2 and 1­4 A2.notebook
September 01, 2011
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Kudos
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Know­properties of equality and how to solve different types of equations using distributive property and other properties of equality to show your work and isolate the variable.
Writing Equations to Solve Problems
1. A dog kennel owner has 100 ft of fencing to enclose a rectangular dog run. She wants it to be 5 times as long as it is wide. Find the dog run dimensions.
Understand how to isolate a single variable in a multivariable formula and how to write equations to model and solve real world problems writing one variable in terms of another. Do­Be able to describe one variable in terms of another to write equations and solve real world problems. Be able to isolate the variable given different types of situations.
Aug 24­7:41 PM
Section 1.3: Day 2
Solving problems by constructing
equations, solving for an indicated
variable and finding restrictions of
equations
2. The lengths of the side of a triangle are in the ratio 3:4:5. The triangle's perimeter is 18 in. Find the lengths of the sides.
Aug 27­9:20 AM
The sides of a quadrilateral are in the ratio of
2:3:4:6.The perimeter is 132 cm. Find the
lengths of the sides.
Mandy will use part of a garage wall as one of
the long sides of a rectangular rabbit pen. She
wants the pen to be 3 times as long as it is wide.
She plans to use 68 feet of fencing. Find the
dimensions of the pen.
Aug 27­9:26 AM
Radar detected an unidentified plane 5000 miles
away approaching at 700 mi/hr. Fifteen minutes
later an interceptor plane was dispatched, traveling
at 800 mi/hr. How long did the interceptor take to
reach the approaching plane?
Aug 27­9:45 AM
Aug 27­9:42 AM
Solve for the indicated variable.
A = 2(lw +lh +hw) for w
Aug 27­9:48 AM
1
1­3 day 2 and 1­4 A2.notebook
Section 1.4
Solve and Graph Simple and
Compound Inequalities
Simple Inequalities: Solve and Graph
3x ­ 3 > 2(x ­ 5)
September 01, 2011
Compound Inequalities:
Solve and graph
3x ­ 1 > ­ 28 and 2x + 7 < 19
Two types: and
or
4y ­ 2 ≥ 14 or 3y ≤ ­13
5x ≥ 7(2 + x)
Aug 26­8:47 AM
Homework
1.4
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Aug 26­8:49 AM
Pg. 22-23: 29-31, 33,34, 42-47
Pg. 29-30: 1-9, 22-25
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BOARD WARS!!!!!!
Aug 13­8:35 AM
Aug 13­8:29 AM
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