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- 1. Multiple Choice
Select all equations that are linear equations
y=3x+2
y=3/x-4
3y=7x
y=x2+1
- 2. Multiple Choice
Which graph does NOT pass the vertical line test?Graph 1Graph 2Graph 3Graph 4 - 3. Multiple ChoiceFunctionNot a Function
- 4. Multiple ChoiceGiven
f(x)= 2x2 + 5x - 17, find f(-1).f(-1) = -20f(-1) = -24 - 5. Multiple ChoiceEvaluate the function for the given value:-11-17-13-21
- 6. Multiple Choice
Find the value of f(3a) if f(x)=7x + 3
21a+3
21x+3
24a
10a
- 7. Multiple ChoiceWhat is the x and y intercept for the following equation ?
4x - 10y = 20x - int = 4
y-int = -10x-int = 5
y-int = 2x - int = 5
y int = -2x -int = 4
y -int = -10 - 8. Multiple ChoiceCROC = 50 calories every mile.CROC = 100 calories every mileCROC = 150 calories every mileCROC = 200 calories every mile
- 9. Multiple ChoiceFind the slope:
(2, -7) and (-1, 6)-13/33/13-1/31/3 - 10. Multiple ChoiceWrite the equation of the line with slope 4 through the point (-2, 5).y = 4x - 13y = 4x + 13y = 4x - 3y = 4x + 3
- 11. Multiple ChoiceWrite the equation of the line through the points (-6, -19) and (2, 5).y = -7/2x + 12y = 3x + 11y = -7/2x - 40y = 3x - 1
- 12. Multiple ChoiceSlopes of parallel lines are...opposite reciprocals.opposites.the same.always 7.
- 13. Multiple Choice
Slopes of perpendicular lines are...
opposite (sign) reciprocals.
opposites.
identical.
always 7.
- 14. Multiple ChoiceWhat is the equation of a line that is perpendicular to the line
y = 3x - 6 and passes through the point (15,5).y = -3x + 10y= 1/3x +10y = -1/3x +10y = 3x -15 - 15. Multiple ChoiceWrite an equation for a line parallel to
y = 5/4x + 4 through (-4, -3)y = 5/4x +2y = -5/4x + 2y = 2x - 5/4y = 3/4x + 2 - 16. Multiple ChoiceA person travels by car. They record their miles driven in a data table. Calculate the linear regression equation of this data.y = 61.93x - 1.79y = -1.79x + 61.93y = 0.016x + 0.03y = 0.03x + 0.016
- 17. Multiple Choice
The number of newly reported crime cases in a county in New York State is shown in the accompanying table, where x represents the number of years since 1994, and y represents number of new cases. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth. Using this equation, find the projected number of new cases for 2003, rounded to the nearest whole number.
974
25,101
940
952
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