8.) Match:
1.) 2x – 3 = 5 A) -6
2.) 2x + 3 = 5 B) 4
3.) 3x + 6 = -12 C) 1
4.) 3x – 2 = 4 D) 2
9.) |2x - 3| = 7
A.) x = 10 & x = -4
B.) x = 4 & x = 10
C.) x = -5 & x = 2
D.)x = 5 & x = -2
E.) x = -5 & x = -2
10.) 2.2x - 3.8 = 27
A.) x = 4.2
B.) x = 14
C.) x = 10.54
D.) x = 4
11.) Match:
1.) |2x| = -10 A) All real numbers
2.) 3x = 3x B) Absolute value
3.) 5x = -25 C) x = -5
4.) | - 7| = 7 D) Adding the opposite to both sides of the equation.
5.) Canceling E) No solution
12.) 2|x + 4| + 6 = 20
The solutions for this absolute value problem are:
A.) x = 3 & x = -3
B.) x = 11 & x = -3
C.) x = -11 & x = 3
D.)x = -11 & x = 11
13.) |2x + 4| = 2
x = -2 & x = -6
A.) x = 2 & x = 6
B.) x = -1 & x = 3
C.) x = 1 & x = -3
D.) x = -1 & x = -3
14.) 2x - 17 = 4(x - 3) + 1
x = ?
15.) -6y - 6 = 30
y = ?
16.) -2(x - 5)
A.)-2x - 5
B.) -2x - 10
C.) -2x + 10
D.)-2x + 5
2007-01-23
11:11:03
·
10 answers
·
asked by
Anonymous
in
Education & Reference
➔ Homework Help