Name Date Class
Practice B
9'7 Solving Quadratic Equations by Using Square Roots
Solve using square roots. Check your answer.
1. x2281 2. X22100
x::JE X=i to
X=i "t X::r \{j
The solutions are C and bi . The solutions are ' \O and
Name Wj \s\: Date [A2].ng Class 3
Reteach
9-8 Completing the Square
x2+8x+16: (x+4)2
Complete the square of x2 + 12x to form
a perfect square trinomial. Then factor.
x2 + 12x Identify b.
12 2 _ 2 _ - b 2
(5) a 36 Frnd(§) .
x2 +12x + 36 Add (3)2.
l
Algebra 1B Review for portions of the Chapter 12 Test (part two) Name I Q Q
./<
V: "'-
1) Write the basic inverse variation equation. >_<
2) Solve that equation for k. k = ><\ , . Inverse variation problems have a constant
3) e all the rel
Algebra 1B Review for portions of the Chapter 12 Test
Multiply or Divide. Simplify your answer.
\JA-J/ ' H . H. J
m\2 . 2m+6 if 2) 5 27, =. 5
1 . , i.
) 3m+9 2m~4 \1' 3a 20 L' \H *
3) x +6x+8; xv=lw4 \yg 4,__y #:
x2+xu2 ' 2H4