Substitution
If x=3 calculate 2x + 4
Answer = 10
Evaluate what x is
x + 2 = 10
Answer = 8
Create an expression for
3 more than a number x.
3 + x
What is the variable in
3x + 5?
variable = x
9+3+6
If x=2 and y=3, evaluate 3x+y
Answer = 9
Evaluate what x is
2x = 24
Answer = 12
Create an expression for
twice a number y
Answer = 2y
What is the coefficient in
7x + 12
coefficient = 7
Evaluate the following
(9 x 2) + 3
Answer = 21
If x=3x calculate x^2+4x.
Answer = 21
Evaluate what x is
2x+3 = 25
Answer = 11
Create an expression for
4 times a number n, minus 7
what is the operator in
x - 2
operator = minus (-)
(6 x 5) + 2 x 4
Answer = 38
If a = 1.5 Calculate 3a + 2.4
Answer = 6.9
Evaluate what x is
2(x+3) = 16
Answer = 5
The square of a number x plus 5
Answer = x^2 + 5
What are the terms for
3x - 7
terms = 3x and 7
Evaluate the following
2(42 + 2)
Answer = 64
Answer = -1
Evaluate what x is
x^2 = 49
Answer = 7
A taxi charges a $5 and $2 for every kilometre (k) travelled. What is the expression?
What are the constants for
2x + 8
constant = 8
Evaluate the following
22 x 3 + 8/4
Answer = 48