Homework Help: Algebra

Posted by lizzie on Sunday, August 7, 2011 at 5:25pm.

1. Compare the quantity in Column A with the quantity in Column B.

Column A
slope of y = 2x +2

Column B
slope of 2y = 3x +9
Answer-Column A is greater

2. |x-4| < 3
Answer- 1< x < 7

3. Solve for x in 3x + 4 =28
Answer-8

4. An algebraic ___________ has an equal sign.
It is either expression or equation.

5. Simplify .5(2.3 + 25) / 1.5 to the nearest tenth.
Answer- 9.1

Algebra - Damon, Sunday, August 7, 2011 at 5:35pm
1) agree

2) x-4<3 or 4-x<3
x <-1 or -x <3 which is x>-3
so I get -3<x<-1

3)agree, 8

4)equation has = sign

5) 27.3/3 = 9.1 exactly
Algebra - lizzie, Sunday, August 7, 2011 at 5:42pm
For this question my answer's are:
|x - 4| <3
a. -7< x <-1
b. 1< x <7
c. 1> x >7
d. -7> x >-1

It does not have the answer you gave.
Algebra - Reiny, Sunday, August 7, 2011 at 5:57pm
|x-4| < 3

x-4 < 3 and -x + 4 < 3
x < 7 and x > 1

so
1 < x < 7

(looks like you have a - in front of 1

Answer this Question

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