Mathematics 8 Q1 Part 3

What is the value of 15x⁰ ?

• -1

• 0

• 1

• 2

The key concept of simplifying a rational algebraic expression is the concept of simplifying a fraction to its _____________. What word would make the statement true on simplifying fraction?

• Common factor

• Denominator

• Lowest term

• Numerator

To divide two exponents with the same base, copy the base and ________ the powers. What is the missing word to complete the statement?

• Add

• Divide

• Multiply

• Subtract

Which is the lowest term of the fraction 12/36 ?

• 2/5

• 4/10

• 6/15

• 1/3

• -1

• -1/a

• 1

• a-8

What is the product of 93/21x and 34x/51x ?

• 60/20x

• 62/21x

• 62/20x

• 65/22x

• -(a-1)/2

• (a-1)/2

• (a-1)/-2

• a-1

Melissa walks 𝟑 miles to the house of a friend and returns home on a bike. She averages 𝟒 miles per hour faster when cycling than when walking, and the total time for both trips is two hours. Find her walking speed.

• Melissa's working speed is 2 miles per hour.

• Melissa's working speed is 3 miles per hour

• Melissa's working speed is 1 mile per hour

• Melissa's working speed is 5 miles per hour