EOC Fast Facts 1

y = 2x - 5

• Slope: -2, y-intercept: 5

• Slope: 2, y-intercept: -5

• Slope: -5, y-intercept: 2

• Slope: 5, y-intercept: -2

y = -2x + 5.

• Positive slope, increasing

• Positive slope, decreasing

• Negative slope, decreasing

• Negative slope, increasing

What is the rate of change of the cost function C(x) = 2x + 10?

• 10
• 0
• 2
• 20

What is the relationship between rate of change and slope for linear functions?

• They are directly proportional
• They are equivalent
• They are inversely proportional
• They are unrelated

What does a positive slope indicate?

• The line is descending from left to right

• The dependent variable changes with respect to the independent variable

• The change in the dependent variable per unit change in the independent variable is constant

• The line is ascending from left to right

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

Is the function Linear or Nonlinear?

• Linear
• Nonlinear

A relation where every input yields one and only one output is called...?

• Symmetric

• Linear

• Exponential

• Function

What are the zero(s)?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

When did the ball reach its maximum height? Choose the key feature and the answer.

• y-intercept, 3 secs

• x-value of the vertex, 4 secs

• y-value of the vertex, 5 secs

• y-intercept, 0 secs