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Algebra I Review 1.2 Solving Linear & Literal Equations · 8/1/2019 · Solving Linear & Literal...
Transcript of Algebra I Review 1.2 Solving Linear & Literal Equations · 8/1/2019 · Solving Linear & Literal...
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1.2Solving Linear
& Literal Equations Learning Target:
I can solve linear equations and literal equations.[A.CED.1, A.REI.3]
Algebra I Review
Literal Equations - equations with multiple variables where you are asked to solve for just one of the variables.
- represent formulas from science or geometry
To solve literal equations - use same process you use to isolate the variable in an algebraic equation with one variable.
**BE CAREFUL NOT TO COMBINE UNLIKE TERMS!!!
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1. Solve E = IR for R
Solve the formula for the indicated letter.
2. v = v0 + at , solve for a
Q = c - d2
, solve for c4.3. V = l w h ,solve for l
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A = bh12
5. The equation is used to find the area, A, of a triangle, where b represents the base of the triangle and h represents the height of the triangle. Based on this formula, what is the height, h, in terms of A and b?
6. The surface area of a cylinder is given by S = 2 π r h + 2 π r 2, where r
is the radius of the circular base and h is the height of the cylinder. What is the height of the cylinder, h, in terms of the radius and surface area?
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Write a linear model (equation) and solve each problem.
7. A 300m long wire is used to fence a rectangular plot whose length is twice its width. Find the length and width of the plot.
8. Sarah spent half of her weekly allowance playing mini-golf. To earn more money, her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?
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Assignment: 1.2 Assignment
Exit ticket: –3x + 5y = –10, solve for y ** write answer in slope-intercept form
Alg 2 1.2 Solving Linear & Literal Equations Wksht Answers1. r = 2. r = 3. y = – x + 2d
tC2π
23
4. c = 4A - a - b 5. n = –T + m h + 16t2
tv =6. v = + 16t ht
or
9. 5 hours10. 54 boxes11. 72˚, 108˚12. width = 15m, length = 25m
13. b = 314. a = – 415. x = 616. x = 24
7. h = 3V
π r2 8. m = 2Kv2 MUST SHOW WORK!
17. No solution18. x = 019. – 19
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