DIRECT AND INVERSE VARIATION WORKSHEET and QUIZ review. Show your work on the back or on a separate sheet of paper. NAME: _____ DATE: _____
Direct and Inverse Variation Worksheet Name:_____ Find the Missing Variable: 1) y varies directly with x. If y = -4 when x = 2, find y when x = -6
DIRECT, INVERSE AND JOINT VARIATION WORKSHEET ... Answer the question. State whether each equation represents a direct, inverse, or joint variation
Name_____ Worksheet: Periodic Trends Period_____ ____1. Which statement best describes Group 2 elements as they are considered in order from
Direct Variation Worksheet ... Write a direct variation equation for the relationship between the number of ... ANSWER KEY: y = ax; constant of variation,
DIRECT AND INVERSE VARIATION HOW TO IDENTIFY A DIRECT VARIATION PROBLEM: (a) when the problem states a direct variation exists or states that a variable is directly
Name: Worksheet: Classifying Matter Classify each of the materials below. In the center column, state whether the material is a pure substance or mixture. • If the
Statistics Worksheet Normal Distribution Name:_____ 10. Suppose the test scores of 600 students are normally distributed with a mean of 76 and standard
Skills Practice Solving Quadratic Equations by Completing the Square Find the value of c that makes each trinomial a perfect square. 1. x2 + 6x + c 9 2
Created by Liz Ramos How does federalism control factions? Why is a large representative republic the cure for majority factions? How does Madison’s viewpoint on
1 Solutions Molarity Worksheet Name: _____KEY_____ 1. When we dissolve a cube of sugar in one cup of water, we create a homogeneous mixture
Lesson 2 Homework Practice Complex Fractions and Unit Rates Simplify. 1.
Primes Number Theory Name_____ Period _____ A Prime Number is a whole number whose only factors are 1 and itself. To find all of the
DATE _____ PERIOD _____ Lesson 3 Homework Practice Complex Fractions and Unit Rates Simplify. 1 . 1− 3 4 ... −3 20 1 −1 3 Program:
Baroque Period Classical Period Romantic Period Modern Period Bedrich Smetana (1824-1884) ... Jean-Henri d’Anglebert (1635-1691) William Lawes (1602-1645)
Chemistry Worksheet Name: ... More Nomenclature (polyatomic ions & acids) ... Write the formulas for the following compounds containing polyatomic ions
I like going to school 4. We cannot go cycling today ... Worksheet 1 - 3 Discussion — Why Is May’s Plant ... Passive The ball was kicked (by Joe). 1. The cat
How many elements had been identified by the year 1700? _____ _____ 2. What caused the rate of discovery to increase after 1700? 3. What did
W j SMwaqd he1 Kw Ji 8t3h2 4Iqn1fSi 6nBi etuex gA vl 8gSe Jb Lrba1 Q1 3.S Worksheet by ... Direct & Indirect Variation ... Name the CONSTANT of VARIATION for each
Write the entire word in each space to earn full credit. Material. Pure Substance. Element or Compound. Material. Mixture. Solution(Homogeneous) or. Mechanical mixture (Heterogeneous). Laundry detergent (contains white and blue crystals) sugar + pure
Name: _____ Figurative Language Worksheet 1 Directions: Read the lines of poetry. ... I do not care to talk to you although / Your speech evokes a thousand sympathies,
Compounds Worksheet Part 1A: Writing ionic formulas Compound Name Formula Ammonium carbonate Lead(II) phosphate
1. Describe how you determine if a function is a direct variation.
2. Describe how you determine if a function is an inverse variation.
For 3-8 state whether the problem is inverse, direct or neither. If the problem is inverse or direct variation, state the constant of variation: 3. y = 7x
6. xy = 12
4. y + x = 4
7. y
4 x
5.
8.
y 9 x
X 4 16 1 10
9. If x and y vary inversely and x = 1 when y = 11, find x when y = 5.5
10. If x and y vary inversely and x = 2.5 when y = 100 find x when y = 25
Y 8 2 32 3.2
11. Heart rates and life spans of most mammals are inversely related. A cat lives for about 15.2 years on average and has a heart rate of 126 beats per minute. a. What is the constant of variation? b. A hamster has a heart rate of about 634 beats per minute. About how long will a hamster live? c. An elephant lives for about 70 years. About how many times per minute does an elephant’s heart beat?
12. Two gears are used to operate a machine. Gear A has 60 teeth and Gear B has 45 teeth. The speed at which you turn Gear A is 5400 rpm. The number of teeth and speed in rpm are inversely related. a. What is the constant of variation? b. At what speed will Gear B turn?
13. The grade you earn in math varies inversely with the number of minutes per night you watch television. If you watch 90 minutes per night, you get a 60 in math. a. What is the constant of variation? b. How much television can you watch if you want to make a 70? c. You cut back on your television to only 75 minutes a night, what grade will you make in math? d. What is the maximum amount of television you can watch and still make a 100?
14. The amount of water that has leaked from a faucet varies directly with time. In 2 hours, 10 gallons of water leak. a. Describe what happens to the amount of water as time increases. b. What is the constant of variation?