direct and indirect variation
- 1. PPT on direct and indirect variation VENUE: VII-H CLASS ROOM DATE:30/11/2017 LALAJI MEMORIAL OMEGA INTERNATIONAL SCHOOL by S.YUVAN PRAMESH
- 2. Direct variation 2 ➢When you are driving a car you may have noticed that as you increase the acclaration the speed increases ➢In the above point you noticed that one value increases and the
- 3. DIRECT VARIATION 3 When we talk about ➢when we talk about direct variation, we are talking about a variation were x increases as well as y also increases or decreases in a Constant rate
- 4. 4 direct variation ➢Direct variation uses the formula:
- 5. Direct variation 5 SOLUTION: ➢Y=10,X=2.4.MAKE These as x1 and y1 ➢Y=15,X=Z. Make these as x2 and y2 ➢Then we get:
- 6. Direct variation 6 ➢How do we solve it? ➢Just cross multiply them. ➢You get 10x=36 ➢By transposition metod of solving equation we get x=3.6
- 8. 8 ➢ inverse variation is similar to direct variation ,but in this Type of variation one value increases and another decreases ➢Inverse variation uses the formula: X1Y1=X2Y2 INVERESE VARIATION
- 9. INVERSE VARIATION 9 EXAMPLE: If y varies indirectly to x and x = 18 when y = 6,find y when x = 8 solution: 18(16)=8y 108=8y (18(16)=108) y=108/8 = 13.5
- 10. 10