Vocabulary
Rise over Run
What is slope?
What is 5?
The equation in slope-intercept form of a line that goes through the y-axis at 2 and has slope 1/2
What is y= 1/2 x + 2
DOUBLE JEOPARDY
y = 2x - 7 represents the number of hours (x) and the number of items produced (y).
Find the number of items produced in 10 hours.
What is 13 ?
The y-intercept of a linear equation can be found by substituting 0 in for y.
What is FALSE?
The y-coordinate of the ordered pair where a graph crosses the y-axis
What is the y-intercept?
The slope of a horizontal lline
What is 0?
DOUBLE JEOPARDY
The equation of the line with no slope and going through the point (-3, 5)
What is x = -3 ?
Consider the equation y = 100x +25 where x represents the number of meters of ribbon and y represents cost in cents
Find the cost of 4 meters of ribbon.
What is $4.25 (425 cents)
Slope is defined to be run over rise.
What is FALSE?
DOUBLE JEOPARDY
A set of data that involves 2 things
What is bivariate data?
This type of line has no slope
What is a vertical line?
The equation of a line in point-slope form of a line that goes through the point (2, -6) and has slope -4
What is y + 6 = -4 (x - 2) ?
Consider the equation y = 3/4 x + 180 where x represents the number of degrees and y represents the amount of evaporated liquid in mL.
Find the amount of evaporated liquid for a temperature of 100 degrees.
What is 255 mL?
Standard form is Ax + By = C
What is TRUE?
Two lines in a plane that intersect to form four right angles
What are perpendicular lines?
The slope of a line that goes through (3, -14) and (8, -12)
What is 2/5?
DOUBLE JEOPARDY
The equation of a line in standard form of the line going through points (2, 10) and (4, 7)
What is 3x +2y = 26 ?
DOUBLE JEOPARDY
y = 2.38x + 41.3 represents the relationship between the number of kilograms of salt (x) used to make pickles and the number of barrels of pickles produced. Find the number of barrels of pickles produced using 12 kilograms of salt. Round to the nearest barrel.
What is 70 barrels?
y - y1 = m(x - x1) is the slope intercept form of an equation
What is FALSE?
The line that describes the trend of the data in a scatter plot
What is best fit line?
TRIPLE JEOPARDY
The slope of the line going through points (2/3, 4/5) and (1/3, 2/5)
What is 6/5? (or What is 1.2 ?)
Name a point on the line having the given equation:
y + 8 = 1/2 (x - 7)
What is (7, -8)?
When an equation is used to predict a value not on the given graph, __________________ is being used.
What is linear extrapolation?
DOUBLE JEOPARDY
The standard form of the equation for the vertical line going through points (2, 8) and (2, -7) is x = 2
What is TRUE?