91Ó°ÊÓ

Plot the given points in a coordinate plane: $$(2,3),(-2,3),(4,5),(4,-5),(-4,5),(-4,-5)$$

Write an equation that expresses the statement. \(T\) varies directly as \(x\)

List the elements of the given set that are (a) natural numbers (b) integers (c) rational numbers (d) irrational numbers $$\left\\{0,-10,50, \frac{22}{7}, 0.538, \sqrt{7}, 1.2 \overline{3},-\frac{1}{3}, \sqrt{2}\right\\}$$

Write cach radical expression using exponents, and cach exponential expression using radicals. Radical expression \frac{1}{\sqrt{5}} Exponential expression \(______\)

Determine whether the given value is a solution of the equation. \(4 x+7=9 x-3\) (a) \(x=-2\) (b) \(x=2\)

Let \(S=\left\\{-2,-1,0, \frac{1}{2}, 1, \sqrt{2}, 2,4\right\\} .\) Determine which elements of \(S\) satisfy the inequality. $$3-2 x \leq \frac{1}{2}$$

Find the slope of the line through \(P\) and \(Q .\) $$P(0,0), Q(4,2)$$

Find the domain of the expression. $$4 x^{2}-10 x+3$$

Complete the following table by stating whether the polynomial is a monomial, binomial, or trinomial; then list its terms and state its degree. $$\begin{array}{llll}\text { Polynomial } & \text { Type } & \text { Terms } & \text { Degree } \\\\\hline \text { 1. } x^{2}-3 x+7 & & &\end{array}$$

Use a graphing calculator or computer to decide which viewing rectangle (a)-(d) produces the most appropriate graph of the equation. \(y=x^{4}+2\) (a) \([-2,2]\) by \([-2,2]\) (b) \([0,4]\) by \([0,4]\) (c) \([-8,8]\) by \([-4,40]\) (d) \([-40,40]\) by \([-80,800]\)