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# Math 8 Unit 4 - PowerPoint PPT Presentation

Math 8 Unit 4. Functions and Relations. Which of the relations below is a function?. iRespond Question. Multiple Choice. F. A.) {(2,3), (3,4), (5,1), (6,2), (2,4)}. B.) {(2,3), (3,4), (5,1), (6,2), (7,3)}. C.) {(2,3), (3,4), (5,1), (6,2), (3,3)}. D.). E.). iRespond Question.

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### Math 8 Unit 4

Functions and Relations

iRespond Question

Multiple Choice

F

A.) {(2,3), (3,4), (5,1), (6,2), (2,4)}

B.) {(2,3), (3,4), (5,1), (6,2), (7,3)}

C.) {(2,3), (3,4), (5,1), (6,2), (3,3)}

D.)

E.)

Multiple Choice

F

Given the relation A = {(5,2), (7,4), (9,10), (x, 5)}. Which of the following values for x will make relation A a function?

A.) 7

B.) 9

C.) 4

D.)

E.)

{(10,12), (5,3), (15, 10), (5,6), (1,0)}

iRespond Question

Multiple Choice

F

A.) True

B.) False

C.)

D.)

E.)

iRespond Question

Multiple Choice

F

A.) {(1,1), (2,1), (3,1), (4,1), (5,1)}

B.) {(2,1), (2,2), (2,3), (2,4), (2,5)}

C.) {(0,2), (0,3), (0,4), (0,5), (0,6)}

D.)

E.)

Multiple Choice

F

The graph of a relation

is shown at the right.

Is this relation a

function?

A.) Yes

B.) No

D.)

C.) Cannot be determined from a graph

E.)

iRespond Question

Multiple Choice

F

A.) Yes

B.) No

C.) Cannot be determined from a chart

D.)

E.)

Multiple Choice

F

The graph of a relation

is shown at the right.

Is the relation is a

function?

A.) Yes

B.) No

D.)

C.) Cannot be determined from a graph

E.)

iRespond Question

Multiple Choice

F

A.) Yes

B.) No

C.) Cannot be determined from a chart

D.)

E.)

Multiple Choice

F

The graph of a relation

is shown at the left.

Is the relation a

function?

A.) Yes

B.) No

D.)

C.) Cannot be determined from a graph

E.)

is shown at the right.

Is the relation a

function?

iRespond Question

Multiple Choice

F

A.) Yes

B.) No

C.) Cannot be determined from a graph

D.)

E.)

iRespond Question

Multiple Choice

F

A.) 15

B.) 22

C.) 42

D.)

E.)

iRespond Question

Multiple Choice

F

A.) 11

B.) 23.5

C.) 76

D.)

E.)

iRespond Question

Multiple Choice

F

A.)

B.)

D.)

C.)

E.)

A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, and so on in an arithmetic sequence, until the top row has 4 cans. How many cans, in total are in the display?

iRespond Question

Multiple Choice

F

A.) 108

B.) 60

C.) 80

D.) 112

E.)

3, -2, -7, -12…

iRespond Question

Multiple Choice

F

A.) -62

B.) -92

C.) -112

D.) -162

E.)

Write the sequence. arithmetic rulefor the sequence. 20, 24, 28, 32, 36, . . .

iRespond Question

Multiple Choice

F

A.) 4n

B.) 4n+16

C.) -4n+16

D.) -4n+20

E.)

iRespond Question

Multiple Choice

F

A.) 200

B.) 212

C.) 220

D.) 216

E.)

iRespond Question

Multiple Choice

F

A.) -6n+2

B.) 6n-2

C.) 6n+4

D.) 6n+10

E.)

Find the explicit formula for 15, 12, 9, 6, . = 4 and = 10.

iRespond Question

Multiple Choice

F

A.) f(x)= -3n+18

B.) f(x)=-3n + 15

C.) f(x)= -3n -15

D.) f(x)= -3n -18

E.)

iRespond Question

Multiple Choice

F

A.) =5; +5

B.) =5; + 3

C.) =5; + 4

D.) =5; + 9

E.)

You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second, and so on in an arithmetic sequence. What is the total distance the object will fall in 6 seconds?

iRespond Question

Multiple Choice

F

A.) 476 feet

B.) 566 feet

C.) 486 feet

D.) 576 feet

E.)

The sum of the interior angles of a triangle is 180º, of a quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a dodecagon (12 sides).

iRespond Question

Multiple Choice

F

A.) 1080 degrees

B.) 720 degrees

C.) 2160 degrees

D.) 4320 degrees

E.)

Given the recursive formula = -3; quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a dodecagon (12 sides).

+ 5. Find the next 3 terms of the sequence.

iRespond Question

Multiple Choice

F

A.) -2, 3, 8

B.) 2, 7, 12

C.) -8, -12, -17

D.) 5, 10, 15

E.)

Given quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a dodecagon (12 sides).= 75 and d= -2 find the recursive formula for the sequence.

iRespond Question

Multiple Choice

F

A.) =83; -2

B.) =85; -2

C.) = 75; - 2

D.) = 77; - 2

E.)

Find the 100th term of the sequence given quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a dodecagon (12 sides). = 28 and d= 10

iRespond Question

Multiple Choice

F

A.) 118

B.) 1018

C.) 10018

D.) 1180

E.)

Given the recursive equation = -5; quadrilateral is 360º and of a pentagon is 540º. Assuming this pattern continues, find the sum of the interior angles of a dodecagon (12 sides).

+ 7.5, state the first 3 terms of the sequence.

iRespond Question

Multiple Choice

F

A.) -5, 2.5, 10,

B.) -5, -2,5, -10

C.) -5, 1.5, 8.5

D.) -5, -12.5, -20

E.)