Download Find each product. 18. b(b − 12b + 1) SOLUTION: 20

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8-2 Multiplying a Polynomial by a Monomial
2
Find each product.
26. −4d(5d − 12) + 7(d + 5)
2
18. b(b − 12b + 1)
SOLUTION: SOLUTION: 3
3
2
20. −3m (2m − 12m + 2m + 25)
SOLUTION: 2 2
2
2 2
2
28. 2j (7j k + j k + 5k) − 9k(−2j k + 2k + 3j )
SOLUTION: 2
2
22. 2pr (2pr + 5p r − 15p )
SOLUTION: Solve each equation.
2
32. w(4w + 6) + 2w = 2(2w + 7w − 3)
SOLUTION: Simplify each expression.
2
24. −3(5x + 2x + 9) + x(2x − 3)
SOLUTION: 34. 9c(c − 11) + 10(5c − 3) = 3c(c + 5) + c(6c − 3) − 30
SOLUTION: 2
26. −4d(5d − 12) + 7(d + 5)
SOLUTION: 2
36. 2k(−3k + 4) + 6(k + 10) = k(4k + 8) − 2k(2k + 5)
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2 2
2
2 2
2
28. 2j (7j k + j k + 5k) − 9k(−2j k + 2k + 3j )
SOLUTION: Page 1
8-2 Multiplying a Polynomial by a Monomial
So, the correct choice is H.
2
Write an equation in function notation for each
relation.
36. 2k(−3k + 4) + 6(k + 10) = k(4k + 8) − 2k(2k + 5)
SOLUTION: 68. Simplify each expression.
2
3
3
2
38. r t(10r + 5rt + 15t )
SOLUTION: SOLUTION: The y-intercept is 0. Find the slope by choosing two
points. Choose (0, 0) and (1, 4).
52. If a = 5x + 7y and b = 2y − 3x, what is a + b?
F 2x − 9y
G 3y + 4x
H 2x + 9y
J 2x − 5y
So the slope intercept form is f (x) = 4x + 0 or f (x) =
4x.
SOLUTION: So, the correct choice is H.
Write an equation in function notation for each
relation.
68. SOLUTION: The y-intercept is 0. Find the slope by choosing two
points. Choose (0, 0) and (1, 4).
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