Page 512 - Algebra 1

Practice
Distributed and Integrated
Factor completely.
*1.
(75)
*3.
(75)
6x2 +13x+6 18-15x+2x2
*2. 3x2 -14x-5 (75)
*4. -15+7x+2x2 (75)
6. 8√ 7 - 4√ 11 - 3√ 7 + 7√ 11 (69)
Simplify.
5.
(69)
*7.
(75)
*8.
(75)
*9.
(75)
*10.
(Inv 7)
11.
(74)
12.
(74)
22c√ de - 9√ de
Write Explain why b in ax2
Lesson Practice
Factor completely. a. 9x2 +38x+8
(Ex 1)
b. 10x2 -23x+12 (Ex 2)
c. 3x2 +5x-2 (Ex 3)
d. 6x2 -5x-4 (Ex 3)
e. 6x2 + 11xy + 4y2 (Ex 4)
f. -13x+14x2 +3 (Ex 5)
+ bx + c is not the sum of the factors of c. Justify Show that 7x2 - 12x + 10 is prime (cannot be factored).
Multiple Choice Evaluate 2x2 - 10x + 14 if x = -2.
A 2 B 10 C 42 D 50
For a situation that represents a direct variation, what does the graph of that situation look like?
Solve ⎢z = 5.
Geometry Sliding-glass tubes form a square with a perimeter of 36 inches.
Both the length and width of the square can be changed by ±1.5 inches.
a. Write an absolute-value equation to find the greatest and least perimeter of
the square.
b. What are the greatest and least perimeters?
Lesson 75 497