Show:
Slope
Parallel and Perpendicular Lines
Slope Intercept Form
Solving Equations
Grab Bag
100
Define slope.
Possible answers: the change in the y-value as the x-value increases by 1. The steepness of a line.
100
Define parallel lines.
Two lines that never meet.
100
What is the equation for slope intercept form?
y=mx+b
100
Solve for x. 17 = 2x + 5
x = 6
100
Vincent Van Gogh only sold 1 painting his whole life and that was to: a. The King of Holland b. The Catholic Church c. His mother d. His brother
d. His brother
200
How can you tell if a line has a negative slope?
It "leans" to the left.
200
Define perpendicular lines.
Two lines that meet to form 90-degree angles.
200
Write the equation with a slope of 6 and y-intercept of -8.
y=6x-8
200
Solve for x. 3x - 4 = 17
x = 7
200
What is the largest animal to have ever existed? a.) Brontasaurus b.) Blue Whale c.) African Elephant d.) Python snake
b.) The blue whale is the largest animal to have ever existed. 96 feet long and weighs 125 tons. This is as much as 4 large dinosaurs , 23 elephants, 230 cows or 1800 men.
300
Find the slope using the graph.
the slope is 3.
300
Which type of lines always have the same slope, parallel, perpendicular or both?
parallel
300
Write the equation of a line with slope -2 and y-intercept 0.
y=-2x or y = -2x + 0
300
Solve for t. 2t - 7 = 6
t = 6.5
300
Which of these words or phrases is NOT a palindrome? a.) farfar b.) repaper c.) A Toyota d.) never odd or even
a.) farfar
400
Which slope is steeper: 1/9 or -2?
-2
400
Line A: y = 4x + 2 passes through the y-axis at 2. Find the equations for Line B which is parallel to Line A and passes through the y-axis at -4.
y = 4x - 4
400
Sketch the graph of the line that passes through (0,5) and has a slope of 0. Label the important points.
A horizontal line that passes through (0,5).
400
Solve for x. 36 = 9x + 54
x = -2
400
I am less dense as a solid than a liquid, I make up 75% of a tree's volume and am known as the "universal solvent". WHAT AM I?
water
500
Find the slope between the two points A(2,4) and B(-1,-4).
What is 8/3?
500
Write the equation of the line perpendicular to y=2/5x-9 and passing through (-7,5).
What is y=-5/2x+22.5?
500
Graph y=-x+1.
Answer on board
500
Convert y=2/3x-5 to standard form.
-2x+3y=-15
500
Given two lines how can you tell they are perpendicular?
What is they have opposite reciprocal slopes?