SL Part 1: Function Families > 01: Graphs and Functions

22. Find the constant of variation k for the direct variation.

х

f (x)

2

-1

7

-3.5

Ok = - 2

Ok=0

Ok=0.5

Ok = - 0.5

Wo students, Ann and Max, factored the trinomial 4x2 - 6x - 4. Ann factored it as 2 (x - 2) (2x + 1) and Max factored it as (x - 2) (4x + 2). Indicate which student factored the trinomial completely and which student did not, and explain why.

7.10am to 6.35pm. how many hours is that

What is the answer to 15-5x2+[4x (3+5) + 8]

What is 48 times 9712 plus 89

Which phrase correctly describes the location of - 34 on the number line? to the right of - 19 to the right of 15 to the left of - 28 to the left of - 63

A taxi cab driver charges an initial flag-drop fee of $3.05, plus $1.25 for each mile driven. Which equation correctly models this situation? y=1.25x-3.05 y=3.05x+1.25 y=1.25x+3.05 y=3.05x-1.25

Karen has a map with a scale of 1 inch = 20 miles. the distance she needs to travel measures 5 1/2 inches on a map. what is the actual distance Karen will travel

A single die is rolled. Find the probability of rolling a number less than 4 or an even number.

The wheel of a bicycle has a diameter of 27in. How many revolutions of the wheel would it take to bike 3 miles?

It's a half gallon of paint covers one 1/12th of a wall, then how many quarts of paint are needed for the entire wall?