MCQ
If $p(x)=x^2+5 x+6$, then $p(-2)$ is:
- A20
- ✓$0$
- C-8
- D8
✓
Answer
Correct option: B.
$0$
(b)
$
\begin{aligned}
P(-2) & =(-2)^2+5(-2)+6 \\
& =4-10+6 \\
& =0
\end{aligned}
$
$
\begin{aligned}
P(-2) & =(-2)^2+5(-2)+6 \\
& =4-10+6 \\
& =0
\end{aligned}
$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The common difference of the $A.P. \frac{1}{ p }, \frac{1- p }{ p }, \frac{1-2 p }{ p }$, is
→Which of the following statements help in proving that $\triangle A B O$ is similar to $\triangle D O C$ ?
Statement-1: $\angle B=70^{\circ}$,
Statement-2: $\angle C =70^{\circ}$
→Statement-1: $\angle B=70^{\circ}$,
Statement-2: $\angle C =70^{\circ}$
A die is thrown once. Find the probability of getting a number which is not a factor of 36 .
Choose the correct answer from the given four options : If the sum of the areas of two circles with radii $R_1$ and $R_2$ is equal to the area of a circle of radius $R,$ then :
→Twice the product of the zeroes of the polynomial $23 x^2-26 x+161$ is $14 p$. Find $p$.
→Let $b=a+c$. Then the equation $ax ^2+ bx + c =0$ has equal roots if
→$(5 + 13 + 21 + .... + 181) = ?$
→In the given figure $, \text{PQR}$ is a tangent to the circle at $Q,$ whose centre is $O$ and $AB$ is a chord parallel to $PR,$ such that$ \angle\text{BQR} = 70^\circ.$ Then, $\angle\text{AQB}=?$
→The radii of the circular ends of a bucket of height $40 \ cm$ are $24 \ cm$ and $15 \ cm .$ The slant height $($in $cm )$ of bucket is.
→What is $20^{\text {th }}$ term from the end of the $AP 3,8,13, \ldots, 253$ ?
→