Solving Equations/ Transformations
Triangle ABC was translated 4 units up and 8 units right. What rule describes the translation that was applied to triangle ABC to create triangle A'B'C'?
(x,y)-->(___,___)
(x,y)-->(x+8,y+4)
Q1
A
Q1
282.7
If you borrow $675 for six years at a simple interest rate of 10%, how much interest will you pay?
$405
What value of x makes the equation true?
0.75x+5.5=0.5x-10
-62
Q2
0 or (0,0)
Q2
50.3
Write the following number in scientific notation
7,809,760
7.80976x10^6
Which algebraic representation of a transformation on a coordinate plane does NOT preserve congruence?
A. (xy)-->(x+3,y-5)
B. (xy)-->(y,-x)
C. (xy)-->(x,-y)
D. (xy)-->(0.5x, 0.5y)
D. (xy)-->(0.5x, 0.5y)
Q3
y=7/3x-2/3
Q3
288
The cost for electricity varies directly with the amount of kilowatt-hours of electricity used. The cost for using 1,079 kilowatt-hours of electricity was $129.48.What was the cost for using 908 kilowatt-hours of electricity?
A-$41.52
B-$153.86
C-$75.67
D-$108.96
D- $108.96
The temperature in Dani's home is 67 degrees and is rising 0.5 degrees each hour. The temperature in Joey's home is 79 degrees and is cooling 1.5 degrees each hour. After how many hours will the temperature in Ralph and Joey's house be the same?
6
Q4
y=3x+3.50
Q4
370
What is the mean absolute deviation of the following set of numbers?
35,42,41,32,30
4.4