trvptierra
29.06.2019 •
Mathematics
Writ the following equation in standard form.state wether the graph of the equation is a parabola,circle,ellipse or hyperbola.
x^2+4y^2+2x-24y+33=0
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Ответ:
x² + 4y²+ 2x - 24y + 33 = 0
= (x+1)² + 4(y-3)² - 1 - 36 + 33 = 0
= (x+1)² + 4(y-3)² = 4
= (x + 1)²/2² + (y - 3)²/1² = 1
This is an Ellipse: C(-1,3)
The Standard Form of an Equation of an Ellipse is : (x - h)²/a²/ (y - k)²/b² = 1
where Pt(h,k) is the center. (a variable positioned to correspond with major axis)
a and b are the respective vertices distances from center
and√a² - b²are the foci distances from center: a > b
Ответ:
70%
Step-by-step explanation:
14 divided by 20
14/20=0.7
14/20 x 100 to calculate the percentage which is 70% because 70/100 will also give 0.7(7/10) so similar