If \( (-2,7) \) is the highest point on the graph of \( y=-2 x^{2}-...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=NUm842MdNiA


Duration: 3:59
2 views
0

If \( (-2,7) \) is the highest point on the graph of \( y=-2 x^{2}-4 a x+k \), then \( k \) equals:
P
(a) 31
(b) 11
(c) -1
(d) \( -1 / 3 \)
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-03-21If \( 5^{x}+(2 \sqrt{3})^{2 x}-169 \leq 0 \) is true for \( x \) ly...
2023-03-21If \( x^{2}-3 x+20 \) and \( x^{2}-3 x-4 \leq 0 \), then : \( \math...
2023-03-21If \( a \) and \( b \) are two distinct non-zero real numbers such ...
2023-03-21C mplete set of solution of \( \log _{1 / 3}\left(2^{x+2}-4^{x}\rig...
2023-03-21How many roots does the following equation possess \( 3^{|x|}(|2-| ...
2023-03-21I. the equation \( x^{2}+a x+12=0, x^{2}+b x+15=0 \) and \( x^{2}+(...
2023-03-21If \( \cot \alpha \) equals the integral solution of inequality \( ...
2023-03-21If \( \alpha, \beta \) be the roots of \( 4 x^{2}-17 x+\lambda=0, \...
2023-03-21If \( \alpha \) and \( \beta \) are the real roots of \( x^{2}+p x+...
2023-03-21Let \( f(x)=x^{2}+a x+b \). If the maximum and the minimum values o...
2023-03-21If \( (-2,7) \) is the highest point on the graph of \( y=-2 x^{2}-...
2023-03-21Minimum possible number of positive root of the quadratic equation ...
2023-03-21Let \( f(x)=x+(1-x) x^{2}+(1-x)\left(1-x^{2}\right) x^{3}+\ldots \l...
2023-03-21For \( x \in R \), the expression \( \frac{x^{2}+2 x+c}{x^{2}+4 x+3...
2023-03-21Subjective Type Questions \( \mathrm{P} \) W Let \( y=f(x) \) be a ...
2023-03-21Let \( f(x)=\left[\begin{array}{l}x^{2}+a ; 0 \leq x1 \\ 2 x+b ; 1 ...
2023-03-21Matching Type Questions \( \mathrm{P} \) Column I Column II W (A) T...
2023-03-21If \( f(x)=\left\{\begin{array}{cc}\frac{x-e^{x}+1-\{1-\cos 2 x\}}{...
2023-03-21Let \( f(x)=\frac{e^{\tan x}-e^{x}+\ln (\sec x+\tan x)-x}{\tan x-x}...
2023-03-21Let \( f(x)=\left\{\begin{array}{cc}\frac{1-\tan x}{4 x-\pi} & x \n...
2023-03-21Number of points of discontinuity of \( f(x)=\left\{\frac{x}{5}\rig...


Tags:
pw