Is it a solution?
Is x=-2 a solution to -2=3x+4 ?
Yes
What is the solution to
−3x + 7 = x − 1 ?
What is x = 2 ?
A ___________ compares two or more equations at once. It can look like two or more lines on a graph.
What is a system of equations?
Is (1,2) a solution to y=4x+2 ?
No
Solve for a in 2a + b = c
What is a = (c-b)/2 ?
4 is the _________ of 4x.
What is coefficient?
(0,5) is a solution to y=3x+5. Is it also a solution to y=3x?
No
Find the point of intersection.
y = x + 7
y = 4x − 5
(4, 11)
4x-8y+2r-12+z has a ___________ of -12.
What is a constant?
Is (3,-2) a solution to
y = 7 − 3x
y = 2x − 8 ?
Yes
Find the solution to the system of equations:
y = 3x − 5
y = x + 3
(4, 7)
The system of equations y=3x-2 and y=-2x+8 has a solution of (2,4). On a graph, (2,4) is the _____________ of the two lines.
What is the point of intersection?
How many solutions does
y=3x-2
y=-3x-2 have?
one solution
Solve for r in 4(r − 3s) = r − 5s
What is r = (7s)/3 ?
In order to verify that an (4,3) point is a solution to y=-2x+5, you _________ 4 for x and 3 for y.
What is substitute?