Parallel Lines
What's the slope of a parallel line to y=-2x+5?
-2
What's the slope of a line perpendicular to y=3x-7?
-1/3
How many solutions will a system of equations with two parallel lines have?
0
What's the slope of y=-5/7x+25
-5/7
What are two consecutive numbers that have a sum of 101?
50, 51
Are these two lines parallel?
y=3x+2
2y-4=6x
No! They are the same line so not parallel.
What's the slope of a line that's perpendicular to y=-7/11+5?
11/7
How many possible types of solutions are there to a systems of equations and what are they?
3 - an x,y point, no solutions, or infinite solutions
What's the slope of 3x+7y=9?
-3/7
What are two consecutive odd integers that have a sum of 76?
What's the equation of a line parallel to y=3x-4 and goes through the point (6, 4)?
y=3x-14
What's the equation of the line that is perpendicular to y=1/2x+9 and goes through the point (-7, -4)?
y=-2x-18
Using the graphing method, what is the solution to the system below:
3x+2y=-2
x-y=-4
(-2, 2)
What's the slope of 2x+4y-5=5x+7y-3?
-1
What are three consecutive even integers, where half the smallest added to 4 times the largest equals 52?
8, 10, 12
One line passes through the points (-3, 14) and (1, -2) and the other line passes through (0, -3) and (-2, 5). What is the slope of each and what's their relationship to each other?
-4 and Parallel
What's the equation of the line that's perpendicular to y=5x+3 and goes through the point (2, -1)?
y=-1/5x-3/5
Using elimination, what's the solution to the system of equations below:
2x+3y=11
x+2y=7
(1, 3)
What's the slope of the line that goes between these two points: (4, -13) and (9, 2)?
3
What are 4 consecutive even numbers, such that the sum of the 2nd and 3rd numbers is equal to three times the largest number?
-12, -10, -8, -6
What's the equation of a line that's parallel to x-y=5 and goes through the point (-2, 1)?
y=x+3
What's the slope of a perpendicular line to x=5?
0
Using whatever method you'd like, what is the solution to the systems of equations below:
-5y+4x=49
2x+7y=-23
(6, -5)
2 Part Answer:
What's the slope of y=7?
AND
What's the slope of x=-2?
What are 5 consecutive odd numbers, where the largest plus the 2nd smallest is equal to the sum of the 2nd largest and 3rd largest?
Any Odd Numbers!