Which of the following numbers is parlindromic?

• 1227221

• 1007007

• 55695569

• 2

3, 5, 11, 17, 81

Which of the numbers above is different?

• 81

• 17

• 11

• 5

a+1 is odd number if a is any even number.

True or False

• True

• False

• 1
• 3
• 9
• 8

Write the improper fraction as a mixed number

²²/₃

• 7 ²/₃

• 7 ¹/₃

• 7 ¹/₄

• 7 ³/₄

If s varies directly as t and inversely as v, then which of the following equations describes the relation among the three variables s, t, and v?

• s = k / tv

• s = kv / t

• 1/s = kt/ v

• s = kt / v

Which of the following phrases illustrate an inverse variation?

• The area of the wall to the amount of paint used to cover it

• The amount of money raised in a concert to the number of tickets sold

• The time a teacher spends in checking papers to the number of students

• The age of a used car to its resale value

This is a variation where one quantity varies directly to other quantity and inversely to the other quantity.

• Direct Variation

• Inverse Variation

• Joint Variaiton

• Combined Variation

Is this a direct variation?

• yes
• no

2, 8, 32, 128, ..

Which calculation will find the common ratio r?