Starts With S
Another word for replace
What is Substitution.
y = x + 4
y = 2x + 5
What is Substitution.
The solution to the system of equations:
r + s = -6
r - s = -10
What is (-8, 2)?
Substitution
What is replace.
The sum of two numbers is 104. Their difference is 68. What are the numbers?
What are x+y=104 and x-y=68.
The ratio of rise to run
What is slope?
5x+y=- 2
-3x+6y=-12
What is Multiplication.
8a + 5b = 9
2a - 5b = -4
Inverse
What is opposite.
A shopper bought 6 shirts and 8 hats for $700. A week later, at the same prices, he bought 9 shirts and 6 hats for $660.
What is 6x+8y=700 and 9x+6y=660.
The answer to an equation or system of equations.
What is a solution set?
x+3y=1
-3x-3y=-15
What is Elimination.
The solution to the system:
2x + 3y = 9
x + 5y = 15
What is (0, 3)?
What is this called
(x,y)?
What is ordered pair or solution.
Student tickets to a football game cost $5.00. The adult tickets cost $7.50. The total cost was $3500. The total tickets sold at the game was 600.
What is 5x+7.50y=3500 and x+y=600.
The operation that means difference
What is subtraction.
y = -2
4x-3y=18
What is Substitution.
The solution to the system:
y=x+4
y=2x+5
What is (-1,3).
What do we use to represent unknown numbers?
What is variables.
Ned and Jack are each saving money for a new smartphone. Ned initially has $65 and plans to save $5.50 per week. Jack doesn’t have money saved yet, but he plans to save $8.75 per week. Let x=week and y=amount of money saved.
What is y=65+5.50x and y=8.75x.
More than one equation to be solved at the same time is know as this.
What is systems of equations.
-2x+6y=6
-7x+8y=-5
What is Multiplication.
The solution to the system:
4x-7y=17
-4x+7y=-3
What is No solution.
Define systems of equations.
What is two or more equations with at least 2 variables.
The dimensions of a rectangle whose perimeter is 78 inches, when the length of the rectangle is twice its width.
What is 2l+2w=78 and l=2w.