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27.6: B1.06- Exercises

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Sep 27, 2020
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- 27.5: B1.05- Section 4
- 28: Topic D- Formulas—Computing and Graphing

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After you work each of these problems, use some method of checking your answer and show that check right beside your solution. Don’t forget to prepare and fill out the homework cover sheet as you do the problems.

Part I

Simplify $10(4x+5)$
Simplify $-6(x+9)$
Simplify $2(3x-7)$
Simplify $17-5(4x-12)$
Solve $3x-4=11$
Find a formula for y (that is, solve for y in terms of x): $y-7=-4(x-2)+12$
Solve $0.75-0.08t=1.22$
Solve $\frac{14}{3}=\frac{8}{x}$
Solve $\frac{7}{33}=\frac{x}{5}$
Solve $\frac{12}{x}=6$
Find a formula for h (that is, solve for h.) $\frac{h}{36}=\frac{m}{k}$ .
Find a formula for d (that is, solve for d.) $\frac{a}{0.37}=\frac{r}{d}$ .
Evaluate $y=6+2x$ when $x=7$
Evaluate $y=u{{x}^{4}}$ when $x=2$ and $u=9$

Part II

Solve $8x+7=31$
Solve $6x-14=40$
Simplify $13(x+2)$
Simplify $8(x-2)$
Solve $\frac{5}{2}=\frac{35}{x}$
Solve $\frac{9}{r}=\frac{54}{30}$
Solve $\frac{7}{5}=\frac{x}{35}$
Solve $17=-3x+2$
Find a formula for y (that is, solve for y): $y-7=4(x-3)$
Find a formula for y (that is, solve for y): $y-15=3(x-7)$
Find a formula for k (that is, solve for k.) $\frac{m}{2.1}=\frac{k}{t}$ .
Find a formula for m (that is, solve for m.) $\frac{b}{m}=\frac{w}{17}$ .
Evaluate $L=A\cdot{{r}^{t}}$ where $A=10,\,\,\,\,r=2,\,\,\,\,t=5$
Evaluate $y=7x-3$ where $x=5$

Mathematics for Modeling. Authored by: Mary Parker and Hunter Ellinger. License: CC BY: Attribution

Part I

Part II

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