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How do i solve Math questions?
"The remainder when x^2-6x-9 is divided by x-p is the same as when it is divided by x+q, where p is not equal to -q. Find the value of p-q"
and
"Find the values of m for which the values of m for which the line y+5=,x is a tangent to the curve y=x^2-1."
and
"Find the coordinates of the points of intersection of the curve 2x^2+2y^2=x+11y+4xy and the line x=3y+1"
and
"Solve the inequalities (3x+2)^2 is lesser or equal to (2x-1)^2
You can solve one question if you do not know the rest. XD
10points are still up for grab to the best mathematician!!!
1 Answer
- vectLv 71 decade agoFavorite Answer
use synthetic division
-6p^2+q^2=6q^2+q^2
simplify
(p+q)(p-q-6)=0
p-q=6
sub and simplify
(4y-1)(2y-1)=0
y=1/4,1/2
x=7/4,5/2 respectively
3)(3x+2)2-(2x-1)^2<=0
(3x+2-2x+1)(3x+2+2x-1)<=0
(x+3)(5x+1)<=0
crit value x=-3,-1/5
check interval on number line
[-3,-1/5] is the answer