Math Quizza1

Work out 0.75×5.6

• A) 0.420

• B) 4.20

• C) 42.0

• D) 0.042

Your objective is to use a sample of employees in your company to determine their commute time to work. What type of data do you need to collect?

• A) Discrete

• B) Categorical

• C) Continuous

• D) Normal

Erin thinks of a number, 𝑦y. The expression for the number Erin gets when she divides by 8 and then adds 4 is...

• A) 8𝑦+48y+4

• B) 8𝑦−48y−4

• C) 𝑦8+48y​+4

• D) 𝑦4+84y​+8

25.5 ÷ 0.3 = ...

• A) 85

• B) 8.5

• C) 10.5

• D) 9.5

What tools do we need to construct a perpendicular bisector? (According to the learner's book - 9)

• A) Ruler, compass

• B) Ruler, compass, protractor

• C) Ruler

• D) Compass and protractor

A museum has visitors every day. You are surveying to find out what visitors think of the museum. You want to talk to a sample of 150 people. The survey must be done in one day. What factors might affect a person's opinion of the museum?

• A) Age and gender

• B) Weight and age

• C) Height and work

• D) Favorite food and work

Factorize fully this expression 5𝑛−45

• A) 5(𝑛−9)

• B) 5(5𝑛−9)

• C) 5(𝑛−9)

• D) 5(5𝑛−45)

At a concert, the price of a child's ticket is 𝑐c and the price of an adult's ticket is 𝑎a. The equations to represent the following statement is .... "An adult's ticket is three times the price of a child's ticket"

• A) 𝑎=3𝑐a=3c

• B) 𝑎=3+𝑐a=3+c

• C) 3𝑎=𝑐3a=c

• D) 3+𝑎=𝑐3+a=c

A sculpture made of metal has a total weight of 1122 kilograms. Each piece of metal weighs 3.1 kilograms. How many pieces of metal were used to create the sculpture?

• A) 362 pieces

• B) 352 pieces

• C) 372 pieces

• D) 382 pieces

Expand the expression and simplify by collecting like terms: 𝑦(𝑦+4)+𝑦(𝑦−2)

• A) 2𝑦(𝑦+1)

• B) 2(𝑦+1)

• C) 2𝑦²−2

• D) 2𝑦²+2𝑦