A1 B3 Review 2

For any value x in the domain of f, determine f(x), and determine x given any value f(x) in the range of f, using the function f(x) = 2x + 3.

• If f(x) = 7, x = 2

• If f(x) = 11, x = 3

• Both A and B

• None of the above

Tags

CCSS.HSF.IF.A.2

Using f(x) = 3x - 5, determine f(4) and find x when f(x) = 1.

• f(4) = 7, x = -2

• f(4) = 12, x = 2

• f(4) = 7, x = 3

• None of the above

Tags

CCSS.HSF.IF.A.2

For the line passing through points (1, 2) and (3, 6), what is the slope?

• 2

• 4

• 1

• 1/2

Tags

CCSS.8.EE.B.5

Given a graph of a line, determine the slope and interpret its meaning in context. If the line represents cost over time, what does a slope of 3 mean?

• cost increase 3 units for every 1 increase in time units

• cost increase 1 units for every 3 increase in time units

• cost decrease 1 units for every 3 increase in time units

• cost increase 3 units for every 1 increase in time units

Tags

CCSS.8.EE.B.5

Which of the following represents a linear function in slope-intercept form given the points (0, 1) and (2, 5)?

• y = 2x + 1

• y = x + 2

• y = 2x - 1

• y = x + 1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Determine the point-slope form of a linear function passing through (3, 7) with a slope of 2.

• y - 7 = 2(x - 3)

• y + 7 = 2(x + 3)

• y - 3 = 2(x - 7)

• y = 2x - 6

Determine the equation of a line parallel to y = 3x - 2 passing through the point (4, 1).

• y = 3x - 11

• y = 3x + 1

• y = -3x + 1

• y = 3x + 11

Determine the equation of a line perpendicular to y = -1/2x + 3 passing through the point (0, -2).

• y = 2x - 2

• y = -2x + 3

• y = 2x - 2

• y = 2x - 4

What is the transformation of the linear parent function y = x to y = 2x + 3?

• Vertical stretch and translation up 3 units

• Vertical compression and translation down 3 units

• Reflection over the x-axis

• Translation right 3 units

Analyze the translation of the function y = x to y = x - 4 and determine the new slope and y-intercept.

• Slope: 1, y-intercept: -4

• Slope: -1, y-intercept: -4

• Slope: 4, y-intercept: 0

• Slope: 1, y-intercept: 4