"S"ystems Vocabulary
When you solve a problem by inserting a problem into another
What is substitution?
y = x + 4
y = 2x + 5
r + s = -6
r - s = -10
The solution to the system:
y = 2x + 16
2x – 7y = –64
What is (-4, 8)
The ratio of rise to run
What is slope?
y = 3x - 2
y = -x - 2
8a + 5b = 9
2a - 5b = -4
The solution to the system
y = x - 2
3x - y = 16
What is (7, 5)
Daily Double!
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 was the cost of one shirt?
What is $30?
The answer to an equation or system of equations.
What is a solution?
y = -3
x = 5
The solution to the system:
10x – 10y = 10
5x + 15y = –95
What is (-4, -5)?
The solution to the system
y = 3x - 1
7x + 2y = 37
What is (3, 8)
The sum of Jack and his father’s ages is 52. Jack’s father’s age is 2 less than 5 times Jack’s age. Find the ages of Jack and his father
What is 9 and 43?
y = mx + b is more formally known as this.
What is slope-intercept form?
y = (1/3)x - 3
2x - y = 8
The solution to the system
2a - 4b = 12
-8a + 16b = -48
What is infinitely many solutions?
The solution to the system
3s - 2t = 4
t = 2s - 1
What is (-2, -5)
The dimensions of a rectangle whose perimeter is 78 inches, when the length of the rectangle is twice its width
What is 26x13?
Daily Double!!
The name of this formula:
Ax + By = C
What is Standard Form?
y - 3x = 3
y = 3x - 2
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
The solution to the system
t + u = 12
t = (1/3)u
What is (3, 9)?