M2T1L1 Quiz Review

 $a_n=10-2\left(n-1\right)$ 

what is the first term of the sequence?

• -2

• 10

• 8

• 12

 $a_n=10-2\left(n-1\right)$ 

what is the common difference/slope?

• -2

• 10

• 2

• 8

 $a_n=10-2\left(n-1\right)$ 

what is the y-intercept/0th term?

• 10

• 8

• -2

• 12

 $a_n=10-2\left(n-1\right)$ 

what is the general form linear equation for this sequence?

f(x) = ax+b, where a = slope/common difference, b = y-intercept

• f(x)= -2x+12
  

• f(x) = 8x-2
  

• f(x) = 10x+8
  

• f(x) = -2x+8
  

Calculate the first differences of this table. Does the table represent a linear or non-linear relationship?

• d = 1.5; linear

• d = -1.5; linear

• d = -11.5; linear

• non-linear

Tags

CCSS.HSF-LE.A.1B

Calculate the first differences in this table. Does the table represent a linear or non-linear relationship?

• linear

• non-linear

Tags

CCSS.8.F.A.3

 $m\ =\frac{\Delta y}{\Delta x}$  

Calculate the slope of this table:

• m = 1/3
  

• m = 3

• m = -1/3
  

• m = -3
  

Tags

CCSS.8.EE.B.5

 $m=\frac{\Delta y}{\Delta x}$ 

Calculate the slope of this table.

• m = 1

• m= 2
  

• m = -1
  

• m = -3
  

Calculate the slope between these two points:

(0, 5)

(2, 15)

• d = -5

• d = 5

• d = -10

• d = 10

Calculate the slope between these two points:

(1, 3)

(4, 39)

• d = 12

• d = 36

• d = 3

• d = -12

Tags

CCSS.8.EE.B.5