Starts With S
More than one equation to be solved at the same time is know as this.
What is System of Equations?
The number of solutions to the system of equations (one two, or none):
y = x + 4
y = 2x + 5
What is 1?
The solution to the system of equations:
x + y = -6
x - y = -10
What is (-8, 2)?
The first step in solving a system of equations by substitution.
What is isolating one variable in one of the two equations?
The sum of two numbers is 104. Their difference is 68. What are the numbers?
What are 86 and 18?
The solution to the system of equations:
y = 3x - 2
y = -x - 2
What is (0, -2)?
The form in which equations should be in to solve a system of equations by elimination.
What is standard form?
y = x - 2
3x - y = 16
When solving a system of equations, the slope is the same, the lines are parallel, and there are this many solutions to the system.
What is none?
The solution to the system of equations:
y = -3
x = 5
What is (5, -3)?
The solution to the system:
3x + y = 5
2x - y = 0
What is (1, 2)?
y = 3x - 1
7x + 2y = 37
The name of the number that goes in front of a variable.
What is a coefficient?
The solution to the system of equations
y = (1/3)x - 3
2x - y = 8
What is (3, -2)?
2a - 4b = 12
-8a + 16b = -48
The solution to the system
3x - 2y = 4
y = 2x - 1
What is (-2, -5)
When you multiply any single digit number by (the magic number) and then add the digits of the result, you'll always end up with (the magic number). What is the magic number?
What is 9?
The form in which equations should be in to make it easier to solve the system by graphing.
What is slope-intercept form?
2x + 3y = 6
3x + 5y = 15
The solution to the system
x = 4y
2x + 3y = 22
What is (8, 2)?
A farmer has chickens and cows. He counts 20 heads and 56 legs. How many chickens and how many cows does he have?
What is 12 chickens and 8 cows?