Solving for x
3x = 12
x = 4
What is the y intercept of this line?
y intercept: 3
A solution to a system of equations is...
c. where the lines intersect
What symbol makes this statement true?
b. >
"greater than"
Solve the equation.
3x = -1/2
x = -3/2
slope: -2
Select ALL: Systems of equations can have..
one solution
no solution
infinitely many solutions
If x = 2, what symbol makes this statement true?
c. =
Solve the equation.
2x + 1 = 9
x = 4
Use the graph from Q1, what is the equation of the line?
y = -2x + 3
What is the solution to this system?
(-3, 2)
Graph the inequality x ≥ 2 on the number line
(Answer on whiteboard)
1/2 x -5 = 2
x = 14
What is the equation of this line?
y = 1/2x + 1
How many solutions does the following system have? Explain how you know.
No solutions. The lines are parallel, therefore they will never intersect.
If 2x + 1 ≤ 4, what is a possible solution for x?