7: Add/Subtract Rational #s
The value of (-8) + (-5)
What is -13?
Find x:
1: y = 3x
2: x + y = 12
What is 3?
The product of (-6) x (-7)
What is 42?
Which variable is eliminated in this system?
1: x + y = 10
2: x - y = 4
What is y?
The value of 7 - (-4)
What is 11?
Find y:
1: x = 5
2: 2x - y = 4
What is 6?
The quotient of -45/9
What is -5?
The solution in (x,y):
1: x + y = 10
2: x - y = 4
What is (7,3)?
In simplest form: -3/4 + 1/2
What is -1/4?
The solution in (x,y):
1: y = x + 2
2: y = 2x - 1
What is (3,5)?
The value of (-2/3) x (9/10) in simplest forms, written as an irregular number.
What is (-6/5)?
The solution in (x,y):
1: 2x + y = 11
2: 2x - y = 5
What is (4,3)?
The sum of -2 1/3 & 5 5/6, written as a mixed number.
What is 3 1/2?
The solution in (x,y):
1: 2x + y = 7
2: 3x - 4y = 5
What is (2,3)?
The value of (-2/5)^3, written as a mixed number
What is 3 3/5?
The solution in (x,y):
1: 4x - 3y = 11
2: 3x + 2y = 4
What is (2, -1)?
The result of -4.2 - (-3/5) + 1.8, written as an irregular number.
What is -9/5?
The result of (-3 1/3) / (-2 1/2), as a fraction in simplest form
What is 1 1/3 OR 4/3?
3 pens & 2 notebooks cost $12, while 5 pens and 4 notebooks cost $22.
Find the cost of 1 notebook.
Let p represent pen cost in $, let n represent notebook cost in $.
What is $3?