Algebra 1 CBA #2

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve the equation:
4 - 6x - 2= -2(3x-1)

• no solution
• infinitely many solutions
• x = ⅓
• x = 4

Tags

CCSS.8.EE.C.7A

8x + 4y= 16

• y = -8x + 16
• y = 2x -4
• y = -2x + 4
• y = -8x + 12

Tags

CCSS.6.EE.C.9

What type of association is the following:
Amount of snow fall to the amount of snow shovels sold

• no association
• positive association
• negative association

The table shown is comparing a person's foot length to their height in cm. What is the relationship between foot length and height?

• strong; r = .99
• strong; r = .97
• weak; r = .38
• weak; r = .58

Find the slope of the line that passes through the points (2, 4) and (6, 12).

hint: use STAT

• 1/2

• -1/2

• 2

• -2

What is the y-intercept of this graph?

• (0,1)

• (1, 0)

• (-1, 0)

• (0, -1)

^{What is the x-intercept (zero) of the line?}

• (0, -1)

• (0, -2)

• (-1, 0)

• (-2, 0)

Determine which of the following statements are true.

• The domain is {-2, -1, 0, 1, 8}

• This is discrete

• The domain is -2 ≤ x ≤ 8

• the y-intercept is 8

• This is continuous

Derek works at Subway making $9.25 an hour. The function d(x)=9.25x tells us how much money Derek makes after x hours of working. What is the meaning of d(4)=37?

• After 4 hours of work, Derek makes $37.

• Derek needs $4 more to have $37 total.

• After working for 4 days, Derek makes $37 total.

• After 37 hours of work, Derek makes $4