Triangle 1 is dilated by a scale factor of 4.1 using the origin as the center of dilation to create Triangle 2. Which statement about the area and perimeter of Triangle 2 is true?
C
What value of x makes this equation true?
0.2
A gas company charges a $16 monthly service fee and $0.6924 per hundred cubic feet of natural gas used during a month. Which equation best represents y, the gas company’s monthly charges in dollars for using x hundred cubic feet of natural
D
A faucet leaks 0.8 gallon of water every 2 hours. Which graph has a slope that best represents the number of gallons per hour leaked by the faucet?
C
Which graph represents y as a function of x?
B
Determine whether each situation represents a proportional or a non‑proportional relationship. Select ONE correct answer in each row
Non-Proportional, Proportional, Proportional, Non-Proportional
After x hours of rainfall today, Yvette recorded the amount of rain in inches, y, in a rain gauge. The table shows the linear relationship for the recorded rainfall. How many inches of rain was in the gauge before the rain began today, and
1.5 inches in the rain gauge before the rain began, and the rain fell at a rate of 0.75 inches per hour.
The two lines graphed on the coordinate grid represent a system of linear equations. Which ordered pair identifies a solution to both equations?
(9,-2)
An online candy store sells 3 pounds of fudge for $54.99. Which function represents the relationship between x, the number of pounds of fudge ordered, and y, the total cost in dollars?
B
Which table does NOT represent y as a function of x?
A
The model represents an equation. Based on the model, what is the value of x?
x = 2
The table shows several pairs of x‑ and y‑values for a linear relationship. Create an equation in slope‑intercept form that can be used to model this relationship.
y = (7/3)x -(2/3)
The value of y is 6 less than the quotient of x and 4. Which graph best shows this relationship?
A
Which situation can be represented by the inequality 2x + 18 < 3x + 11?
B
A student took 32 minutes to complete a 20‑question history assignment. Choose two points that lie on the line with the slope that best represents the number of questions completed per minute.
(8,5) (16,10)
Find the slope of the line through the pair of points.
-1/9
