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- 1. Multiple Choice
Solve: 7x - 4 = 3 + 8x
x = 7
x = -7
x = 2/7
x = 11
- 2. Multiple ChoiceSolve: 5x - 14 = 8x + 46-6-18/1310/3
- 3. Multiple Choice
What is the slope-intercept form (used to graph a line)?
y=mx+a
y=m+b
y=mb+x
y=mx+b
- 4. Multiple Choice
What is the slope formula?
- 5. Multiple ChoiceFind the slope of the line that passes through
(10, 1) and (5, 2)1/5-1/55-5 - 6. Multiple ChoiceFind the slope of the line that passes through the points (2, 4) and (6, 12)1/2-1/22-2
- 7. Multiple Choice
Which of the following is the equation of a line with a slope of 6 and a y-intercept of −3?
y = 6x + 3
y= -3x + 6
y = -6x - 3
None of the choices is correct.
- 8. Multiple ChoiceWrite the equation from the graph.y=3x+9y=2x+8y=-3x+9y=-2x+8
- 9. Multiple Choice
Write the equation for the table. Hint: Find the slope using carets and the y-intercept where x = 0!
y=x+7
y=1/2x+7
y=x+8
y=1/2x+8
- 10. Multiple Choice
Write the equation from the table. Hint: Find the slope using carets and the y-intercept where x = 0.
y = -2x - 4
y = -2x + 4
y = 2x + 2
y = 2x - 4
- 11. Multiple ChoiceWhat kind of equation is this?
xy=8Linear EquationDirect VariationInverse VariationJoint Variation - 12. Multiple Choice
Which of the following graphs best shows the relationship between number attending and cost per person?
Graph a
Graph b
Graph c
Graph d
- 13. Multiple Choice
Which statement below accurately represents the graph?
$100 is earned for each hour worked
$100 is earned for every 2 hours worked
$500 is earned for every 8 hours worked
$250 is earned for every 3 hours worked
- 14. Multiple Choice
Given the equation y = 2x + 5 , where x is the number of homework questions and y is the number of minutes it takes to do all the homework, what does the y-intercept of the line mean in real world context.
For every homework assignment, it takes 5 more minutes to complete it.
For every homework assignment, it takes 7 more minutes to complete it.
It initially takes 5 minutes to get homework out and start working.
It initially takes 2 minutes to get homework out and start working.
- 15. Multiple ChoiceWhich sentence describes the relationship shown on this scatter plot?As the temperature decreases, the visitors increase.As the temperature increases, the number of visitors increases.As the visitors increase, the temperature decreases.No correlation
- 16. Multiple ChoiceWhat type of association (correlation) does this graph have?positivenegativenoneall of the above
- 17. Multiple ChoiceWhat type of correlation does this graph have?positivenegativenoneall of the above
- 18. Multiple ChoiceThe scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.12 chapters15 chapters18 chapters21 chapters
- 19. Multiple ChoiceThe equation of the trend line is y= 1/2x +1
How many laps can a bicycle make around the park in 23 minutes?44 laps12 1/2 laps23 laps - 20. Multiple Choice
What is the equation of the line of best fit?
y = -25x + 170
y = -5/8x + 170
y = 25x + 170
y = 5/8x + 170
- 21. Multiple Choice
Use the line of best fit to approximate rate of change relative to the scatter plot above.
7/5
5/7
-7/5
-5/7
- Answer choicesTagsAnswer choicesTags