Arithmetic Sequence
5, -7, -19, . . the equation that represents the sequence
an = 5 -12(n - 1)
If x ivaries directly as y, find the equation when x is 12 when y is 8, what is the equations repressented?
y = 2/3 x
1/5( x + 7) - 3 = 2/3
34/3
The equation of the line in SIF that has a slope of 4/5 and goes through (5, 3).
y = 4/5 x - 1
|2x - 3| + 5 = 15
-7/2 and 13/2
The equation represented by the sequence: 56, 60, 64...
an = 56+ 4(n - 1)
y varies directly as x. If x = 5 when y = 12 find x when 30 y =
x = 12.5
3/4x + 4 = 2/5
-24/5
The equation of the line in SIF that has a slope of -3/5 and goes through (-5, -3).
y = -3/5 x - 6
2/3 |3x + 6| - 4 > 1 give answer in interval notation
(-inf, -9/2) u (1/2, inf)
The 43 term in the sequence 32, 51, 70, .....
a43 = 830
Heather’s weekly pay is directly proportional to the number of hours she works at the record store. Her pay is $174 for 24 hours of work. Find the amount of pay for 40 hours of work.
$290
5/3(2x -4) + 8 = 1 - 1/4 x
-4/43
The equation of the line in SIF that is parallel to y = 5x -6 and goes through (2, -3).
y = 5x - 13
-3| x + 7| + 9 = 12
No solution
The 51st term of the sequence 8, -15, -38, . . .
n51 = -1142
At top speed, a rabbit can cover 7 miles in 12 minutes. If a rabbit could continue at this rate indefinitely, how long would it take the rabbit to cross the 220-mile expanse of the Mojave Desert?
377.14 minutes
3(2/3x + 7) = 4/3
-59/6
The equation of the line in SIF that is perpendicular to y = 5x -6 and goes through (2, -3).
y = -1/5 x - 13/5
If a linear regression has a correlation coefficient of -0.8 what will the graph look like and what does it mean?
Data points will be in a downward pattern relatively close together
Next 3 terms of the arithmetic sequence 3/7, 1, 11/7 . . .
15/7, 19,7, 23/7
A dishwasher uses 65 gallons of water to wash 5 loads of dishes. How many gallons of water would be used to wash 12 loads?
156 gallons
2x - (1/3 + 5x) = 2/5( 3x - 2) + 1
-8/63
The equation of the line in SIF that is perpendicular to to x = -6 and goes through (2, -3).
y = -3
What college did your teacher receive her degree from?
Ottawa University in Ottawa, Kansas