Chapter 3: Problem 80
Simplify: \(\quad 3\left(12 \div 2^{2}-3\right)^{2}\). (Section \(1.8,\) Example 6 )
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Chapter 3: Problem 80
Simplify: \(\quad 3\left(12 \div 2^{2}-3\right)^{2}\). (Section \(1.8,\) Example 6 )
These are the key concepts you need to understand to accurately answer the question.
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In Exercises \(74-77\), determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. Every line in the rectangular coordinate system has an equation that can be expressed in slope-intercept form.
Will help you prepare for the material covered in the next section. In each exercise, evaluate $$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$$ for the given ordered pairs \(\left(x_{1}, y_{1}\right)\) and \(\left(x_{2}, y_{2}\right)\). $$\left(x_{1}, y_{1}\right)=(1,3) ;\left(x_{2}, y_{2}\right)=(6,13)$$
Use a graphing utility to graph each equation. You will need to solve the equation for \(y\) before entering it. Use the graph displayed on the screen to identify the \(x\) -intercept and the \(y\) -intercept. $$2 x+y=4$$
I computed the slope of one line to be \(-\frac{3}{5}\) and the slope of a second line to be \(-\frac{5}{3},\) so the lines must be perpendicular.
Will help you prepare for the material covered in the first section of the next chapter. Is \((-4,3)\) a solution of both \(x+2 y=2\) and \(x-2 y=6 ?\)
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