7x + 19 = -2x + 55
4
Express the following in Interval Notation
-8 ≤ x < 8
[-8,8)
What is the solution to this system?
(1, -1)
Write the equation of the line shown below
y = 1/3x - 2
2v - 4(v + 8) = 8
-20
Which number line corresponds to [-2, 5]?
Graph 4
If a system of equations has no solution, what does the graph look like?
parallel lines
Write the equation of the line that has a slope of 3 and passes through the point ( - 1, 9 ).
y = 3x + 12
5(2x + 6) = −4(−5 −2x)+ 3x
10
x≥−9
Solve the system by substitution.
5x + 4y= −14
y = −7x − 15
(-2, -1)
Write the equation of the line that passes through the points ( 0, - 5 ) and ( 4, 3 ).
y = 2x - 5
4 - 6x - 2= -2(3x-1)
infinitely many solutions or all real numbers
(−3, ∞)U(−∞,−8]
Solve the following system by using elimination:
-2x - 5y = -15
x + 8y = 13
(5, 1)
Write the equation of the line for the table below
y=-6x+30