EP, the problem says the sum of their squares. Ruh Roh. :-)
x = integer
x = 2y -3
x + y = 954
(2y-3) 2 + y 2 = 954
4y^2 -12y+9 + y^2 - 954 = 0
5 y^2 -12y - 945 = 0
Then use Quadratic Formula a = 5 b = -12 c = -945
y = 15 then x = 2y-3 = 27 *** edited **** Thanx, Guest !
Good try ! ....but your coordinates are backwards.....
x, y of the roots are -3,0 -1, 0
Please 'edit' your original question rather than submitting ANOTHER question !
Put in '10' for 'x' and calculate.......
put in ' 10 ' for 'x'
-636.296 billion ( do you hav R(x) entered in correct form? Is there an x^3 and x^2 missing??)
plz help
sorry i cant get thr roots right i tried 0,-3
0,-1 and it is wrong plz help
(x + y)^2 = 45
x^2 + y^2 + 2xy = 45
x^2 + y^2 + 2(8) = 45
x^2 + y^2 = 29
(x-y)^2 = x^2 + y^2 -2xy
[x^2 + y^2] - 2xy =
[29] -16 = 13
Turning point is the lowest point on the red lined graph.....also called the 'vertex'
'roots' are the coordinates of the points where the red line crosses the x-axis......there are two of them....
Calculate the prices to figure out the rest of the options
2 p + 3a =48 but p = a+4
2 (a+4) + 3a = 48
a = 8 p = 12
now try to answer the rest of the Q
10 liters total x = 5% 10-x = 40%
amount of ingredients = final amount
.05 x + .40(10-x) = .20 (10)
solve for 'x' the amount of 5% then 10-x = 40% amount
Pick one of the points....it does not matter which ....and call it x1, y1 the other is x2, y2
then slope = (y1-y2)/(x1-x2)
try to do this ...see what you find.....
Find the linear equation of the blue and orange lines:
orange: y > x - 2
blue: y < -1/2x + 2
Then change these equations into the ones above:
y > x - 2
2y + x < 4
t + 46 = (2t - 14) + (3t - 37)
t + 46 = 5t - 51
4t = 97
t = 97/4 = 24.25
(3x + 10) = (2x + 15)
x = 5
2(5) + 15 = 25
ok thank you for your helap i apprecieate it
just put x=-3 into the equation
\(2x\qquad−5y=4\\ (2*-3)−5y=4\\ etc\)
and then solve for y.
Does that make any sense?
Thanks answer guest,
there is a double root at x=1
So the equation will be y=a(x-1)(x-1)
Sub in another point like (0,-2) to find the value of a.
As guest has already said, it is concave down so a will be negative.
It is just
\(h(x)=-2*(3(x-4)^2-7)\)
and then simplify
Why can't you do this yourself?
The first week there is 65 people
the second week there is double that (2*65) people
and it keeps doubling like that for 7 weeks
Work them out and add them together.
Please let guest finish this on his/her own.
Well it has to be c, because the opening of the parabola is at the bottom, and that means a negative coefficient "a". The greater the absolute value of "a" in ax^2+bx+c the narrower the parabola. Changing the value of “b” will move the axis of symmetry of the parabola from side to side; increasing b will move the axis in the opposite direction. Changing the value of “c” will move the vertex of the parabola up or down and “c” is always the value of the y-intercept.
Cut it into three rectangles:
Find the area of each rectangle and add them up.
