Coordinate Plane
Draw a coordinate plane and label the 4 quadrants and the x- and y- axis
Quadrants should be labelled in a "C" starting in the top right with quadrant I
Is (1,2) a solution to the linear equation y=2x-4 ?
No, when you plug it in you get a false number statement.
What is the name of the lake next to Chicago?
Lake Michigan
Slope is also called _________ over ________
RISE over RUN
Where does the line y=2x-3 cross the y-intercept?
(0,-3)
What quadrant is the following coordinate point in?
(-2, 7)
quadrant II
For the following linear equation, solve for y when x=-2
4x-3y=12
y=-20/3
WORK:
4(-2)-3y=12
-8-3y=12
-3y=20
y=-20/3
Parrots, cockatoos, parakeets, hill mynas
What is slope formula?
m=(y2-y1)/(x2-x1)
What is the x-intercept of the following linear equation?
2x+5y=20
(10,0)
WORK:
2x+5(0)=20
2x=20
x=10
What quadrant is the following coordinate point in?
(5, -9)
quadrant IV
What is one solution to the linear equation
2x+6y=18
Answers will vary!
What is the largest state in the United States?
Alaska
What is the slope of a line that crosses the points (0,3) and (4,-5)
-2
WORK
(3--5)/(0-4)
8/-4
-2
Calculate the x- and y-intercepts of the following linear equation:
-4x+5y=40
y-int: (0, 8)
x-int: (-10,0)
WORK:
-4(0)+5y=40
5y=40
y=8
-4x+5(0)=40
-4x=40
x=-10
What quadrant is the following coordinate point in?
(12,0)
x-axis
Graph the equation y=1/2x+4
Graph should start at (0,4) and run 2, rise 1 between points
Name 2 of the gases that make up air
Any of the following: Nitrogen (78%), Oxygen (21%), Carbon Dioxide, Neon, Hydrogen, Water (<1%)
What is the slope of a line that passes through the points (2,4) and (6,6)
1/2
WORK
(6-4)/(6-2)
2/4
1/2
Calculate the x- and y-intercepts of the following linear equation:
y=1/3x-14
y-int: (0,-14)
x-int: (42,0)
If you started at the coordinate point (-3, -5) and moved 12 units to the right and 1 unit up, what quadrant do you end up in?
quadrant IV
Create a table with at least 3 values for the following linear equation. Include at least one intercept as a point.
3x+6y=24
Answers will vary
How long did the hunger strike for the construction of LVLHS last?
19 days
Write an equation for a line that passes through the points (-1,1) and (1,-3) and has a y-intercept of (0,-1)
y=-2x-1
WORK
(-3-1)/(1--1)
-4/2
slope: -2
Graph the following linear equation using intercepts
5x-3y=30
y-int: (0,-10)
x-int: (6,0)
Graph both points and connect them