Read the statement carefully: Choose and write the letter of the correct answer on the space provided.
1. The cost C varies directly as the number of n of pencils is written as a. C = kn b. k=cn CN=k/c d. C= k/n
2. The statement y varies inversely with x" can be mathematically translated into a Y=kx b. Y=xx C. Y=kxz d. y=kx/y
3. A car travels a distance of d km in t hours. The formula that relates d to t is d = kt. What kind of variation is it? a Direct b. Inverse C. Joint d. Combined
4. The relationship between two or more quantities where one quantity varies in relation to another is called Deviation b. Proportion C. variation d. summation
5. In all types of variation, k is called a. Combined b. Proportionality constant c. variation d. rational constant
6. If y varies inversely with x, and y=8 when x=3, find x when y=2. a. 12 b. 10 c22 d. 24
7. The statement z varies directly with x and inversely with y" can be mathematically formulated as a. Z=kx/y b. Y=kory c.y=k d. y=k/x
8. What happens to T when h is doubled in the equation T=4h? Tis halved b. Tis tripled c. Tis doubled d. T becomes zero
9. What happens to y when x is tripled in the relation y = k/x? a. Y is tripled b. Y is doubled c. Y is halved d. Y is divided by 3
10. Find the proportionality constant when x is jointly proportional to a and b, and x= 10 when a= 4 and b=5, a 1 b. c. 2 d. 1/2 ​