Year 12 ICAS Mathematics 5-Question Sample

Question 1 of 5 Number and arithmetic

For a student workbook question, simplify \(\frac{2^{3} \times 2^{6}}{2^2}\).

A \(2^{9}\) B \(2^{16}\) C \(2^{7}\) D \(2^{6}\)

Question 2 of 5 Number and arithmetic

Measured interval

Measurement	Value
Pulse interval	52 x 10^-7 s
Required form	a x 10^n with 1 <= a < 10

A \(5.2 \times 10^{-8}\) B \(5.2 \times 10^{-6}\) C \(52 \times 10^{-7}\) D \(0.52 \times 10^{-5}\)

Question 3 of 5 Algebra and patterns

A \((x+15)(x+50)\) B \((x-5)(x-10)\) C \((x+5)(x+11)\) D \((x+5)(x+10)\)

Question 4 of 5 Algebra and patterns

A \(y=2x+10\) B \(y=\frac{1}{2}x+8\) C \(y=2x+8\) D \(y=3x+8\)

Question 5 of 5 Algebra and patterns

Two linked constraints

Equation	Constraint
A	2x + 3y = 13
B	3x + 2y = 12

A \((3,2)\) B \((3,3)\) C \((2,2)\) D \((2,3)\)