SBUR MTH7 QE3 SY2024-25

What does the term "coefficient" mean in algebra?

• A letter used to represent a number

• The number multiplied by a variable

• The answer to an equation

• A mathematical symbol

Which of these is an algebraic expression?

• 2 + 3 = 5

• x > 7

• 3x + 2y

• Let x = 5

If x = 4, what is the value of 2x + 3?

• 9

• 11

• 14

• 7

What is the first step in solving the equation 3x + 4 = 19?

• Divide both sides by 3

• Multiply both sides by 3

• Add 4 to both sides

• Subtract 4 from both sides

Which of these is written in scientific notation?

• 45,000

• 4.5 × 10⁴

• 45 × 10³

• 0.45 × 10⁵

In probability, what is a sample space?

• The size of the experiment

• The likelihood of an event occurring

• The set of all possible outcomes

• The number of trials conducted

What is the result of evaluating 3a² when a = 2?

• 6

• 9

• 12

• 18

Which equation represents "5 less than twice a number is equal to 15"?

• 2x - 5 = 15

• 2x + 5 = 15

• 5 - 2x = 15

• 2(x - 5) = 15

How do you write 0.00072 in scientific notation?

• 7.2 × 10⁻⁴

• 72 × 10⁻⁵

• 0.72 × 10⁻³

• 7.2 × 10⁴

In probability, what is an event?

• The result of a single trial

• A subset of the sample space

• The entire experiment

• The probability of something happening