warm up 12/3

solve for x

-2x + 4 = 3x - 8

• 2.4

• -2.4

• 4

• -4

Renting video games from Store S costs $2.50 per game plus a monthly fee of $5.00.  Renting video games from Store T costs $5.00 per game with no monthly fee.  Which inequality represents the situation when the monthly cost at Store S is less that the monthly cost at Store T?

• 2.5v + 5 < 5v
• 2.5v + 5 > 5v
• 2.5 + 5 < 5v
• 2.5v + 5 >  5

Tags

CCSS.7.EE.B.4B

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

What best describes a function

• each input has one output
• each output has one input

Tags

CCSS.8.F.A.1

Is it a Function?

• Function
• Not a Function
• Both
• Neither

Does the set of ordered pairs represent y as a function of x?

• Function

• Not a Function

• Both

• Neither

Write the equation of the line in slope intercept form.

• y = -1/3x - 4

• y = 3x + 5

• y = -3x - 4

• y = -3x + 5

Write the equation of the line in slope intercept form.

• y = -2x -3

• y = -x + 3

• y = -x - 3

• y = x - 3

The graph shows the height (cm) of a candle as it burns, what does the slope mean? 

• The initial height of the candle
• The amount the candle decreases per minute.

Tags

CCSS.HSF.IF.B.4

What does the y-intercept mean in this graph?

• The initial height of the water.
• The rate the water drained every minute

Tags

CCSS.HSF.LE.B.5