Algebraic Expressions MCQs with Answers

Find the value of $100^2 - 99^2$.

• A.$1$
• B.$199$
• C.$201$
• D.$101$

$n(n+1)(n+5)$ is a multiple of ?

• A.$2$
• B.$3$
• C.$5$
• D.$7$

A polynomial having term(s) is called a trinomial.

• A.One
• B.Two
• C.Three
• D.Four

Past Paper MCQ

If $a = 7$, $b = 5$, and $c = 3$, then the value of $a^2 + b^2 + c^2 - ab - bc - ca$ is?

• A.$12$
• B.$15$
• C.$18$
• D.$21$

$(x - y)^2 - (x + y)^2 =$ _?

• A.$4xy$
• B.$2(x^2 + y^2)$
• C.$-4xy$
• D.$-2(x^2 - y^2)$

Which of the following is equal to $35(37 + 39 + 41)$?

• A.$35(37) + (39 + 41)(35)$
• B.$35(37) + 35(39) + 41$
• C.$35 + (37 + 39 + 41)$
• D.$(35 + 37)(39 + 41)$

If $x = t$ and $y = m$, then what is the value of $(y - x)^n$?

• A.$(m - t)^n$
• B.$(t - m)^n$
• C.$m^n - t^n$
• D.$(m + t)^n$

If $x - \frac{1}{2x} = 6$, find $x^3 - \frac{1}{8x^3}$.

• A.$225$
• B.$216$
• C.$234$
• D.$243$

In $a \times 1 = a = 1 \times a$ for all $a \in \mathbb{R}$, the number $1$ is called the?

• A.Additive identity
• B.Multiplicative identity
• C.Additive inverse
• D.Multiplicative inverse

The factor of $a^2 - 2a + 1 - b^2$ is _?

• A.$(a+b-1)(a-b-1)$
• B.$(a+1-b)(a+1+b)$
• C.$(a-1-b)(a+1+b)$
• D.$(a-1-b)(a-1+b)$