Algebraic Expressions MCQs with Answers

The value of $\cos^2 \theta + \sin^2 \theta$ is always?

• A.$-1$
• B.$0$
• C.$1$
• D.Depends on $\theta$

The identity $\sec^2 \theta - \tan^2 \theta$ is equal to _?

• A.$0$
• B.$1$
• C.$-1$
• D.$\sec \theta + \tan \theta$

Evaluate: $\lim_{x \to 3} \frac{x^2 - 9}{x - 3} =$ _?

• A.$3$
• B.$6$
• C.$9$
• D.$0$

If $A = \begin{bmatrix} a & b \\ b & a \end{bmatrix}$ and $A^2 = \begin{bmatrix} l & m \\ m & o \end{bmatrix}$, then the values of $l$ and $m$ are:

• A.$l = a^2 - b^2$, $m = ab$
• B.$l = a^2 - b^2$, $m = 2ab$
• C.$l = a^2 + b^2$, $m = ab$
• D.$l = a^2 + b^2$, $m = 2ab$

The identity $1 + \tan^2\theta$ is equal to _?

• A.$\sec^2\theta$
• B.$\csc^2\theta$
• C.$\cot^2\theta$
• D.$\sin^2\theta$

What is $1 + \tan^2 \theta$ equal to?

• A.$\sin^2 \theta$
• B.$\csc^2 \theta$
• C.$\cot^2 \theta$
• D.$\sec^2 \theta$

Past Paper MCQ

An expression is a collection of:

• A.Terms & coefficients
• B.Variables & constants
• C.Numbers & symbols
• D.Operands & operators

Past Paper MCQ

What is the value of $8.73 \times 8.73 \times 8.73 + 4.27 \times 4.27 \times 4.27$?

• A.$837.0$
• B.$873.0$
• C.$427.0$
• D.$1300.0$

Past Paper MCQ

Simplify the algebraic expression: $3x + 2y + x$

• A.$4x + 2y$
• B.$3x + 3y$
• C.$5x + 2y$
• D.$4x + y$

Past Paper MCQ

Simplify: $(5p - 6q)^2 + (5p + 6q)^2$

• A.$50p^2 + 72q^2$
• B.$50p^2 - 72q^2$
• C.$25p^2 + 36q^2$
• D.$60pq$