HS Math 1 Review 032818

Parallel lines: What is the equation of the line parallel to 2x - 4y = 8 that passes thru the point (4,5)

• 2x + 4y = 12

• 2x - 4y = -16

• x - 2y = -6

• x + 2y = -8

• 3x - 2y = 12

Perpendicular lines: What is the equation of the line perpendicular to line segment JK that passes thru the midpoint of JK with coordinates J(-2,6) K(4,-8)

• 3x + 7y = 21

• 3x - 7y = 10

• 3x - 7y = -21

• 3x + 7y = 14

• 3x - 7y = -8

Find the missing coordinate: The slope of a line is -3/4. It contains the points (-4,8) and (e, 2) what is the value of e?

• 4

• 5

• 6

• 7

• 8

An exponential function has the following points (2,360) and (4,90). What is the value of f(8)

• 48

• 36

• 24.25

• 11.750

• 5.625

Factor 3x² + 16x - 12

• (3x - 4)(x+3)

• (x+6)(3x - 2)

• (3x -1)(x +12)

• (x+3)(3x-6)

• (3x+2)(x-6)

Which expression is equivalent to w² - 36

• (w-9)(w+4)

• (w-6)(w-6)

• (w-12)(w+3)

• (w-3)(w+12)

• (w-6)(w+6)

The value of a new car can be modeled by the exponential equation f(x) = 24000(0.83)^x + 150. What is the least amount the car will be worth in the future regardless of its age?

• 4080

• 999

• 500

• 150

• 749

The floor of a rectangular cage has a length 4 feet greater than the width. If both dimensions are increased by 2 feet which equation would represent the new area of the floor of the cage?

• N = w² + 8w + 12

• N = w² + 6w + 8

• N = w² + 6w

• N = w² + 4w

• N = w² + 2w

What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer

• -1

• -2

• 5

• 6

• 7

The function f(t) = -5t² +20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?

• 4

• 5

• 6

• 7

• 9