Which graph represents a proportional relationship?

Graph C
If the diameter of a circle is 13in, what is the radius?
6.5 in.
Solve: 4 - 11
-7
Solve: 3x + 4 = 13
x=3
When two angles are supplementary, what does that mean?
they add up to 180 degrees
What are the two rules of a proportional relationship when looking at a graph?
Starts at the origin and is a straight (constant) line
If a circles radius is 5cm, what is the circumference?
31.4cm
+
-1/2
Solve: -3(x + 1) = 24
x=-9
If the scale factor was 1/3 from image A to image B, what would it be from image B to image A? What is that called?
3, reciprocal
Which container is filling faster and why?

Container A because it has more water in it at the same time as container B
If a circles diameter is 12 in, what is the circles area?
113.04 square inches
Brooke is paying a fee of $4.00 a day for the next seven days. She currently owes $8.50. On the eighth day, she deposited $35.00. How much money would be in Brooke’s account after her deposit?
She would still owe $1.50
Solve: 25 - 3x = 40
x = -5
If a discounted price of a pair of shoes was $50 and this was 20% off, what was the shoes original price?
$62.50
What are the values that would make this table correct and what would the equation be to represent this?

$1 and $6. The equation would be y = .5 x
If the area of a circle is 250 square cm, what is the diameter?
17.8 cm

c=14
Solve: ⅔ (x - 3) = 6
x = 12
What does mean, median, mode, and range mean?
average, middle number, most often, highest to lowest
Andre rode his bike at a constant speed. He rode 35 miles in 1 hour. Write an equation that would represent the amount of time "t" that it takes to ride a distance "d".
d = 35 t
What is the amount inside the figure below if the side length of a square is 10 in?

614 square inches
Solve:(-1.20 + 3
) · (- 5) =
-10.25
Solve: -2 (x - 2.6) = 10.4
x = -2.6
Solve: -3x + 5 > 23
x < -6