Are these Parallel, Perpendicular, or Neither: y = 5x + 4 and y = -2/3x + 4.
What is Neither?
What is the slope of a line parallel to y=2x -5?
What is 2?
Write the equation of a line that is parallel to y = 2x + 3 and passes through (6, 2).
y=2x-1
x + 2y = -14
x â y = 13
(4,-9)
Erin bought 4 jars of jelly and 6 jars of peanut butter for $19.32. Adam bought 3 jars of jelly and 5 jars of peanut butter for $15.67. Find the cost of a jar of peanut butter.
$2.36
Are these Parallel, Perpendicular, or Neither: y = 5x + 4 and y = 5x - 4.
What is parallel?
What is the slope of a line parallel to y + 12x = 1?
What is -12?
Identify the easiest way to solve.
y=-4
x-y=16
Substitution of Graphing
2y + x = 0
y= x - 6
x=4
Karen makes $5 per hour babysitting and $12 per hour giving music lessons. One weekend, she worked a total of 18 hours and made $139. How many hours did she spend babysitting?
11 hours
Are these Parallel, Perpendicular, or Neither: y = 5x + 4 and 14 - 1/5x = y
What is perpendicular?
What is the slope of a line perpendicular to y=-5 + 2x?
What is -1/2?
-2y + 10x = 46
x= 6
y= 7
Sarah is using addition as the first step in finding the solution of this system of equations. What equation does she get from her first step?
5x+y=10
2x-y=6
a. 4x=12
b.7x=16
c. 7x+2y=16
d. -7x=4
b
Are these Parallel, Perpendicular, or Neither: y = 2/3x -1 and y = -2/3x + 4.
What is Neither?
What is the slope of a line perpendicular to 3y=-2x + 18?
What is 3/2?
Identify the best way to solve.
8c=4d+2
-6=3d-8c
Elimination
2x â y = 11
6x â 3y = 15
No Solution
Ms. Miller spent $131 on shirts. Dress shirts cost $28 and graphic tâs cost $15. If she bought a total of 7 shirts then how many of dress shirts and how many graphic tees did she buy?
2 dress shirts and 5 graphic tees
Are these Parallel, Perpendicular, or Neither: y = -15x + 4 and 15y = x+ 30.
What is perpendicular?
y = -3x + 4
y = 3x - 2
(1,1)
Reggie's school is selling tickets to the annual church dinner. On the first day of ticket sales the church sold 3 adult tickets and 5 child tickets for a total of $70. The church took in $216 on the second day by selling 12 senior citizen tickets and 12 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.
$10 for seniors and $8 for children