Topic 5 Review/6 Preview

​Topic 5 Review

By Jontae Kennedy

Multiple Choice

Which statement BEST explains why this relation is not a function?

• One y-value is repeated

• One x-value has two different y-values

• The graph fails the horizontal line test

• The points are not increasing

Multiple Choice

Yves says this relation is a function. What mistake did he make?

• He checked y-values instead of x-values

• He ignored the repeated x-value

• He forgot to graph the points

• He used the wrong scale

Multiple Choice

Which function rule is violated?

• Outputs must be unique

• Inputs must be unique

• The slope must be constant

• The graph must be linear

Multiple Choice

Which representation shows a constant rate of change?

• Function A (table)

• Function B (graph)

• Both

• Neither

Multiple Choice

5. Which function is NOT linear?

• Function A

• Function B

• Both

• Cannot be Determined

Multiple Choice

Why is Function A linear?

• The x-values increase

• The y-values increase

• The change in y is constant for equal changes in x

• The graph is curved

Multiple Select

The graph shows Carter's movements throughout a day. Select all intervals that are increasing.

• A

• B

• C

• F

• G

Multiple Select

The graph shows Tashaya's movements throughout a day. Select all intervals that are constant

• A

• B

• C

• D

• E

Multiple Select

The graph shows Jeremiah's movements throughout a day. Select all intervals that are decreasing

• C

• D

• E

• F

• G

Multiple Select

The graph shows Rynya’s jogging speed over time. Select all the ways that describe the graph of the function in interval 1.

• 
  The function is increasing.

• The slope is negative.

• The function is decreasing.

• The function is constant.

• The slope is positive.

Multiple Choice

A music streaming service charges a flat monthly fee plus a charge for each song downloaded. It costs $11 to download 2 songs during the month and $14 to download 8 songs during the month.

 

Write an equation in the form y = mx + b for this function.

• y = 2x + 11

• y = x + 9

• y = 0.5x + 10

• D. y = 10x + 0.5

Multiple Choice

 

Shakirah rides her bicycle to school. She rides slowly uphill for 5 minutes, then speeds up for 1 minute until she reaches the top of the hill. Next, she rides at a consistent speed on a flat road for 15 minutes. For the last 2 minutes of her ride, Shakirah rides back downhill until she arrives at school. Which part of the story matches the flat section of the graph?

• Riding uphill

• Speeding up

• Riding on a flat road

• Riding downhill

Multiple Choice

Why does this graph NOT match Shakirah's function?

• It never increases

• It shows a sudden drop

• It has no constant section

• The order of events is incorrect

Poll

Where do you stand with Topic 5?

• I understand it completely:

  functions and intervals.

• I'm almost there: functions and/or intervals

• I still do not understand:

  functions and/or intervals

Multiple Choice

The Pythagorean Theorem ONLY works on which triangle? 

• Obtuse

• Right

• Acute

• Isosceles

Multiple Choice

If three sides of a right triangle are 9, 40, and 41, which side is the hypotenuse?

• 9
• 40
• 41

Multiple Choice

In a right triangle, if a = 8 and c = 17, what is the correct setup to find the value of b?

• $$17^2+8^2=b^2$$  

• $$8^2+b^2=17^2$$  

• $$17^2+b^2=8^2$$  

• $$\frac{8^2}{b^2}=\frac{17^2}{100}$$  

Multiple Choice

Side c on a right triangle is ALWAYS the longest.

• True

• False