8th Equations
The sum of w and fourteen is five. What is the value of w?
w= -9
Simplify the expression
2(x + 5)
2x + 10
Write the 4 inequality symbol and their meaning.
< less that
> greater than
≤ Less than or equal to
≥ greater than or equal to
3x = −21
x= -7
NON LINEAR
3b + b - 8 = 4
b = 3
If x = 4 and y = 3
What is (x + y)2
49
Solve. 4p ≤ 16
p ≤ 4
5.92 = p − 1.8
p= 7.72
Given the equation of the line y= -3x + 1
What the the a) slope
b) y-intercept?
slope -3
y-intercept 1
3a + 12 - 6a = -9
a = 7
Simplify the expression
3(2x − 5) + 15
6x
x/9 > 8
x> 72
x/3 + 4 = 5
x=3
What is the slope-intercept equation of the line with a slope of 3/4 and a y-intercept of 4?
y- 3/4x +4
20 = −8(x + 2) − 4
x= -5
What is the value of 3x + 4 when x = −3?
-5
Solve. 5a - 4 ≥ -7
a ≤ -0.6
Graph each equation. Mark at least three points on the line.
y= -2x + 3
Varies
Solve the equation below. Describe the number of solution(s) using words. x + 12 + 2x = 20 + 3x − 8
Infinitely many solutions
Simplify the expression
(7x + 6) − (8 + x)
6x - 2
Solve. 2(6x - 5) < 14
x < 2
3 = −2(y + 11)
y= -12.5
A dune buggy company rents dune buggies at the beach. They charge an initial fee of $30 plus $10 for each hour the buggy is rented. Let x represent the number of hours and y represent the total cost of the rental.
What is the Slope: _____ y-intercept: ________
Slope = 10
y intercept = 30