Friday
March 27, 2015

Homework Help: Algebra

Posted by lizzie on Sunday, August 7, 2011 at 7:36pm.

1.What is the domain of this relation?
domain range
-3 3
-2 -6
-1 0,15
0 -6
1 -1
Answer- -3,-2,-1,0,1

2. Compare the quantity in Column A with the quantity in Column B
Column A
slope of y =3

Column B
slope of x =3
Answer- The two quantities are equal

3. What is the equation of the line with slope of -7 and y intercept of 2?
Answer- y = -7x + 2

4. Find the equation of a line that passe through (-2, -4) with slope of 2
Answer- Y= -2x - 8

5. This table represents the data from a plant growth experiment. What is the growth rate of the plant?
Time (weeks) Height (cm)
3 4.6
4 5.8
7 9.4
Answer- 1.2 cm per week

6. How many solutions are there for the absolute value equation,
|16 + t|= 2t -3?
Answer- exactly 2

7. Absolute value is the number of units a value is from _______ on the number line.
Answer- 0

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