Page 408 - Algebra 1

Lesson Practice
Practice
Simplify.
Distributed and Integrated
1.
(53)
3.
(58)
2. (-2m+1)+(6m2 -m-2) (53)
4. (x+2)(6x2 +4x+5) (58)
*6. (3t + 1)2 (60)
Dat is painting a picture for his grandmother. He wants a 3-inch-wide blue border around the square painting. Write a special product and simplify to find the area of the picture including the border.
3 in.
Solve the linear system by substitution. y = 2x - 9
8x - 6y = 34
Multiple Choice Which of the following quadratic expressions is the product of (6x + 7)2?
A 36x2 +42x+49 B 12x2 +84x+49
C 36x2 +84x+49 D 36x+84x+49
(3k+2k2 -4)-(k2 +k-6) (x+4)(x-5)
Find each product.
a.
(Ex 1)
c.
(Ex 2)
e.
(Ex 3)
g.
(Ex 4)
h.
(Ex 4)
i.
(Ex 5)
(x+9)2 (x-1)2 (x+8)(x-8)
b. (3x+5)2 (Ex 1)
d. (8x-6)2 (Ex 2)
f. (3x+2)(3x-2) (Ex 3)
Use mental math to find 282.
Use mental math to find the product of 58 · 62.
George is pouring a rectangular cement slab for his house. The length is (x - 6) and the width is (x + 6). Find the area of George’s new slab.
Find the square of each binomial.
*5.
(60)
*7.
(60)
(3t - 1)2 Painting
8.
(59)
*9.
(60)
3x in.
Lesson 60 393