Problem 33
Make a table of values and graph six sets of ordered integer pairs for each equation. Describe the graph. $$x+y=4$$
Problem 38
Simplify each expression. $$-12 m(-9 n)$$
Problem 39
Simplify each expression. $$2 a b(3)(-7)$$
Problem 40
Graph each point. Then connect the points in alphabetical order and identify the figure. $$\begin{aligned} &A(5,8), B(1,13), C(5,18), D(9,13), E(5,8), F(5,6), G(3,7), H(3,5), I(7,7)\\\ &J(7,5), K(5,6), L(5,3), M(3,4), N(3,2), P(7,4), Q(7,2), R(5,3), S(5,1) \end{aligned}$$
Problem 41
Evaluate each expression. $$ |46| \quad$$
Problem 41
MONEY The starting balance in a checking account was \(\$ 50 .\) What was the balance after checks were written for \(\$ 25\) and for \(\$ 32 ?\) Use estimation to determine whether your answer is reasonable.
Problem 43
Evaluate each expression $$-|5|$$
Problem 44
On a coordinate plane, draw triangle \(A B C\) with vertices at \(A(3,1), B(4,2),\) and \(C(2,4) .\) Then graph and describe each new triangle formed in Exercises \(41-44\). Subtract 4 from each coordinate of the vertices in triangle \(A B C\).
Problem 45
Evaluate each expression \(|7|\)
Problem 48
Evaluate each expression. \(-2 x y,\) if \(x=-8\) and \(y=5\)