Algebra Year 9 Exam Practice

How do students express small and large numbers according to the curriculum?

• Using fractions

• In decimal form

• In scientific notation

• As percentages

Express the number 316,000,000 in scientific notation.

Factorise the expression 6a + 4.

• 6(a + 2/3)

• 3(2a + 1)

• 2(3a + 2)

• 4(1.5a + 1)

Expand and simplify the expression (m - 5)(m + 6).

• 6y

• 0

• 1

• 6

Consider the equation below. What is the y-value when x = 1?

y = 2x - 1

• 0

• 1

• 2

• 3

State whether the equation is linear or non-linear.

y = 5x + 1

• Linear

• Non-linear

• Quadratic

• Exponential

Solve for x:

4x - 3 = 2x + 7

• x = 4

• x = 2

• x = 5

• x = 0