In the algebraic expression 2x + 3, what is the variable?
x
x+9= 15
x=6
4x=20
x=5
Why do we use railroad tracks when solving algebraic equations?
Fractions represent this operation.
In the algebraic equation 2x + 3 = y, what is the coefficient?
2
20+ x =48
x=28
x/2 = 5
x=10
What would be your first step to solve 5x + 2 = 10?
Subtract 2 from both sides.
When solving a two step equation how many terms are usually on the same side?
Two
In the algebraic equation 2x + 3 = y, what is the constant?
3
x+8= 14
x=6
5x=80
x=16
What would be your first step to solve
(2x + 1)/2 =6
Multiply both sides by 2.
How does an equation differ from an expression?
An equation involves two sets of equal terms. An expression is just a series of terms.
In the algebraic equation 2x + 3 = y, what is the independent variable (input)?
x
21= d-6
x=27
3= x/24
x=72
Are these equations equivalent?
x + 2 = 7 and 2x + 1 = 11
YES
When you are asked to do Distributive Property what is important to know?
You need to multiply the number outside the parenthesis by both numbers that are inside the parenthesis.
In the algebraic equation 2x + 3 = y, what is the dependent variable (output)?
y
12= x-1.2
x=13.2
67.5 = 13.5x
x=5
Are these equations equivalent?
2x + 4 = 20 and 2x + 7 = 23
YES
When talking about input and output and the function rule, what should you remember?
X and Y are connected, just like yin and yang. The relationship between the two is dependent on the rule.