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- 1. Multiple-choice30 seconds1 ptIn the equation, y = mx + b, the letter b is the ___________.y-interceptx-interceptsloperate of change
- 2. Multiple-choice30 seconds1 ptWhat is the slope of the equation?
y = -3x + 4-334-4 - 3. Multiple-choice1 minute1 pt
Write the equation for the liney=â…—x+1y=â…—x-1y=(5/3)x+1y=(3/5)x+1 - 4. Multiple-choice2 minutes1 ptWhich is the graph of y= -x + 2?ABCD
- 5. Multiple-choice1 minute1 ptConsider the equation:
y=-x+4
Identify the slope and y-intercept.m=4, b=-xm=-x, b=4m=1, b=4m=-1, b=4 - 6. Multiple-choice30 seconds1 pt
which of the following is a linear graph?
- 7. Multiple-choice30 seconds1 ptWhen you graph a line using slope-intercept form, you plot the ___________ first and then the ___________.origin; slopeslope; y-intercepty-intercept; x-intercepty-intercept; slope
- 8. Multiple-choice30 seconds1 ptIs the relation a function? Why.Yes, because the x-value 11 has two y-values pair with it.Yes, because each x-value has only one y-value paired with it.No, because the x-value 11 has two y-values pair with it.No, because each x-value has only one y-value paired with it.
- 9. Multiple-choice45 seconds1 ptTransform from standard form to slope intercept form: 2x-3y=10y=-2x+10y= 2/3x-10/3y=-2/3x+ 10/3y=2/3x+10
- 10. Multiple-choice30 seconds1 ptWhen you have a vertical line, you have a slope that's _______ZeroUndefinedOneTen
- 11. Multiple-choice30 seconds1 ptWhat equation does the table represent?y=x+1y=x-1y=2x+1y=2x-1
- 12. Multiple-choice5 minutes1 ptWhich graph represents x=2?ABCD
- 13. Multiple-choice30 seconds1 ptSlope is another word for:Initial ValueRate of ChangeChange in Y'sY-intercept
- 14. Multiple-choice3 minutes1 ptMargaret is a waitress at The Seafood Bonanza. She earns $3 an hour plus 90% of her tips. Write an equation for her salary, S, if she works h hours and earns d dollars in tips.3h + 0.90d = SS = 90d + 3hS = 3d + 90hS = 3h + 9.0d
- 15. Multiple-choice3 minutes1 ptSpeedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. Write an equation for C, the total cost, to rent the boat for h hours.h = 2C + 15C = 15h + 2h = 15C + 2C = 2h + 15
- 16. Multiple-choice5 minutes1 ptWhat is the meaning of the y-intercept of the graph?The number of payments for the debt is 2000.At the start the debt is 2000 before making any payments.The number of payments for the debt is between 12 to 14.Initially, the number of payments is 12 to 14.
- 17. Multiple-choice1 minute1 ptWhat is the simple definition of slope?linerun/riseundefiniedrise/run
- 18. Multiple-choice30 seconds1 pt
The graph of every linear function of one variable is a straight line.
True
False
- 19. Multiple-choice30 seconds1 pt
The y-intercept of a linear function is equal to the value of x when y is equal to zero.
True
False
- 20. Multiple-choice30 seconds1 pt
What is standard form of a line?
y = mx + b
Ax + By = C
y - y1 = m(x - x1)
y = Ax + By
- 21. Multiple-choice30 seconds1 pt
What do you need to know to be able to graph a line?
two points
slope and y-intercept
x- and y-intercepts
All options
