Operations and Algebra
Simplify:
12x + 3y - 10x + 2
What is 2x + 3y + 2?
Find the value of 5p + 2 if p=4.
What is 22?
Define pronumeral.
Solve by inspection:
x+3=-4
What is -7?
Write an expression for: 1 more than x
What is x + 1?
Simplify:
5p x 12q
What is 60pq?
The formula for Perimeter of a rectangle is P=2w + 2l.
What is the perimeter of a rectangle when w=3 and l=5?
What is 16?
Define constant.
Solve using inverse operations:
x/6=12
What is x=72?
Write an expression for: 12 less than r
What is r-12?
Simplify:
2p + 12q + 3 - 13p + q - 1
What is -11p + 13q + 2?
The Area of a Square is given with the formula A=s2.
Find the Area when s = 7.
What is 49?
Define algebraic expression.
What is a collection of algebraic terms?
Solve using inverse operations:
2x+4=20
What is x = 8?
Write an expression for: a is tripled, then 4 is added.
What is 3a + 4?
Simplify:
50p2 /5p
What is 10p?
Consider the rule h = 2m + 1.
Find m if h = 17. Set up an equation and solve it algebraically.
What is m = 8?
Define an equation.
What is an algebraic expression with an equals sign?
Solve using inverse operations:
x/7 - 2 = 12
What is x = 2?
The sum of Jerry’s current age and his age next year is 43 . How old is Jerry?
What is 21 years?
Simplify:
3w3/36w
What is w2/12?
The formula to convert from Fahrenheit to Celsius is:
F=9C/5 + 32.
If it 12 degrees Celsius, how many degrees Fahrenheit is it?
What is 53.6?
Define inverse operation.
What is opposite operations to solve equations (+ & -, x & divide)?
Solve using inverse operations:
5x - 5 = 15
What is x = 4?
Launz buys a car and a trailer for a combined cost of $40 000 . The trailer costs $2000 .
a) Define a pronumeral for the car’s cost.
b) Write an equation to describe the problem.
c) Solve the equation algebraically.
What is 38 000?