What is algebra
Algebra is a form of math that uses equations to solve problems
What is a variable
what we are trying to find out
What is a equation
a number sentence with an equal sign
What’s solving
finding the correct answer
what is a quadratic equation.
answers will vary
23-21=b
b=2,
What is a example of a variable
unknown, any letter can be used such as x, a, b, c
Give a example of a linear equation
any equation with the formula y= mx+ b
4+4
8
2x+3=6
x=3/2
12c=24
c=2
A equation must always have this
an equal sign and properties of equality
12-12
0
12/3g=4
𝑔=1
14/2=x.
x=7,
What are the 2 types of variables
dependent and independent
give an example of an NONLINEAR equation
answers will vary
43x43
1849
-2(x+3)-x-4=-3.
x=−7/3
x+3=5
x=2
when do we use variables
when we want to solve an unknown problem
an equation has a letter called a
variable
120/120
1
-3x-10=-3
X=13/3