Home work Pre Calc 1.1 to 1.5

1. 

Find the coordinates for the point that is eight units to the left of the y-axis and is seven units up from the x-axis.

• (10, 7)

• (8, -7)

• (8, 7)

• (-8, 7)

Find the distance between the two points (-5, 8) and (19, 53).

• 153

• 48

• 51

• 99

Find the midpoint between the two points (2, 7) and (-4, 19).

• (6, -12)

• (3, -6)

• (3, 6)

• (-6, 3)

Find the x- and y-intercepts of the graph of the equation y = 49 -7x.

• x-intercept: (7, 0)

  y-intercept: (0, 49)

• x-intercept: (0, 49)

  y-intercept: (7, 0)

• x-intercept: (49, 0)

  y-intercept: (0, 7)

• x-intercept: (-7, 0)

  y-intercept: (0, 49)

• Yes

• No

• Yes

• No

Which equation does not represent y as a function of x?

• y = -6x + 5

• y = 7x + 9

Find all real values of x such that f (x) = 0.

Use the graph of the function to find the domain and range of f.