Page 535 - Algebra 1

Lesson Practice
Factor completely.
a.
(Ex 1)
b.
(Ex 1)
c.
(Ex 2)
d.
(Ex 2)
e.
(Ex 3)
f.
(Ex 3)
g.
(Ex 4)
h.
(Ex 5)
p5 + 13p4 + 12p3 6n4 - 6n3 - 12n2 -r2 +r+30
-5d3 - 25d2 - 20d y3x + 3y2x - 54yx 5bx3 - 5bx2 - 60bx 18fh - 240h + 6f2h
Construction A box is to be built in the shape of a rectangular prism. Its volume is represented by the expression 90x3 + 450x2 + 540x. Factor the expression completely.
Practice
Distributed and Integrated
Assuming that y varies inversely as x, find the missing value. 1. If y = 6 and x = 9, what is y when x = 12?
(64)
Solve each system of linear equations. 2. 5x=2y+10
(73)
Factor.
5.
(72)
7.
(75)
*9.
(79)
11.
(78)
12.
(77)
*13.
(79)
*14.
(79)
*15.
(79)
520
x2 -4x-45
5x2 +3x-2
abx2 -5abx-24ab
Find the excluded values for y = _9m m+3
*6. k4 +6k3 +8k2 (79)
*8. 2x3 +16x2 +30x (79)
10. 15mx2 +9mx-6m (79)
3. x-y=2 (63)
y + 2x = 1
4. Solve the compound inequality 3b - 2 < -8 OR 4b + 3 > 11.
(63)
-3y = -2x + 4
.
Solve 16 + (-6) ≥ 2(d + 4) and graph the solution.
Write Can you factor out the GCF after factoring a trinomial?
Justify When asked to factor 3x2 + 45x + 132, one student writes 3(x + 4)(x + 11).
Another student writes 3(x + 11)(x + 4). Show that both answers are correct. Explain your answer.
Multiple Choice Which expression is factored completely? A 2(5x-10)(x-5) B 10(x2 -7x+10)
C 5(2x-4)(x-5) D 10(x-5)(x-2) Saxon Algebra 1