Unit 2
How many Terms are in the following question?
10x - 5y / 3
3 Terms
What kind of relationship is it called if the Graph is going down.
Non-linear
Simplify this equation:
(9x2 + 5x - 6) + (4x2 + 4x - 10)
13x2 + 9x - 16
Does the point (30,3) satisfy this equation?
y = -1/2x - 12
Yes
Solve for the following:
3/5 + 6/15
15/15 or 1
Determine the Rate of change of this chart :
X Y
5 20
10 40
15 60
Rate of change = 4
Simplify this equation:
(9xy + 6y - 5x - 4) - (6xy - 5y - 4x + 7)
3xy + 11y - 1x - 11
Is the following pair of lines parallel, perpendicular or neither?
y = 1/5x - 7
y = 5x - 7
Perpendicular
Solve for x
5x + 22 = 186
x = 32.8
Find the Initial Value and Rate of Change:
y = 10x + 600
Initial Value = 600
Rate of Change = 10
If 2x + 32 = 128, find the value of 9x.
x = 48
9x = 432
For the line y = 3/5x + 9
State the slope and the y intercept.
Slope = 3/5
Y int = 9
Simplify the following by collecting like terms:
-7x2 + 6x + 9 + 4x2 - 9x - 5
-3x2 + -3x + 4
If an equation for a linear relationship was y = 7n + 100, If n was 15, What would be y?
y = 205
Tripling a number and decreasing it by 24 has the same result as doubling a number and increasing by 10.
Create and solve the equation.
Equation: 3x - 24 = 2x + 10
Answer: x = 34
Create the equation of the line with y = ax + b format using these two points :
(2,-18) and (-4, 45)
Slope = 21/2
Equation = 21 = a(2) + b
Renee has a 10ft long Pole. If he cuts his Pole into pieces of 1/3 of a ft, how many pieces does he have?
Renee has 30 pieces
A Gym offers two different memberships. Plan A has a fee of $15 plus $2 every hour. Plan B has no initial fee but charges $3.50 an hour.
Find the Point of intersection using a graph.
The total perimeter of a rectangle is 8x + 24. If the length of the rectangle is 2x + 6. Create the equation for the width of the rectangle.
width = 2x + 1
For a field trip to Niagara Falls, the teacher has to pay a initial fee for the bus and also $15 per student. For 20 students it costs $670.
Find the initial fee for the bus and then the equation.
Initial fee = 370
Equation: y = 15x + 370