Dacey wants to find out if the quadrilateral shown is a rectangle.
Dacey's plan:
• Find the slopes of all four sides.
• See if there are two pairs of the same slopes
. See if there are two pairs of slopes that are negative reciprocals.
Will her plan work? Why or why not?

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept