Linear Equations
The equation of a line with slope -2/3 and y intercept is 4.
What is y = -2/3 x + 4
Solutions to |x - 5| = 3
What are x = 8 or x = 2
The inequality for which water freezes
What is t less than or equal to 32
What is (d + c)/b
The direct variation equation
What is y = kx
2/3 x - 1/5 = 2/15 x + 2 Find x
what is x = 33/8
The solution to -|-2x + 1| = -7
What are x = -3 or x= 4
The solutions to 5 - 3 x < -10
What are x > 5
D = m/v solve for v
v = m/d
Y varies directly as x. x = 12 when y = 3. Find the constant of variation
What is k = 1/4
A line parallel to y = 4 and contains the point (-3, -9)
What is y = -9
The solution(s) of |5 - 4x| = -1/2
What is no solution
The solutions to the compound inequality
-2 < 3 + 4x < 1
What are -5/4 < x < -1/2
Find l. P = 2l + 2w
What is L = (p - 2w) / 2
Y varies directly as x. x = 12 when y = 3. Find the mathematical model
What is y = 1/4 x
A line with undefined slope containing the point (8, 1)
What is x = 8
The number of equations each absolute value equation becomes
What is two
The solution(s) to the compound inequalities
x < 5 or x < 9
What is x < 9
A = 1/2 h (b1 + b2) . Isolate h
h = 2A / (b1 + b2)
(x - 6)/2= (2x + 5)/3
What is x = -28
A line perpendicular to y = 3/2 x - 1 containing the point (-6, 3)
What is y = -2/3 x - 1
The two equations this would become |6x - 2| = 5 - x
What are 6x - 2 = 5 - x or 6x - 2 = -5 + x
The solution(s) to the compound inequalities
x < 5 and x > 9
What is no solution
A = 1/2 h (b1 + b2).
find b2
(2A - hb1) / h
price of chips varies directly as the number of bags purchased. Fred spend $12.50 on 5 bags. Find the cost of 7 bags.