# Given an ellipse equation like : (x-1)^2 /4 + y^2/9 = 1.. how do i know which one is a^2 or b^2? is it the four or 9.. please explain why?

• Given an ellipse equation like : (x-1)^2 /4 + y^2/9 = 1.. how do i know which one is a^2 or b^2? is it the four or 9.. please explain why?

This is a tutorial with detailed solutions to problems related to the ellipse equation. For an interactive tutorial on the equation of the ellipse Go here.
Positive: 50 %
a 2 – c 2 = b 2 25 – c 2 = 16 9 = c 2 ... and co-vertices of the ellipse with equation 25x 2 + 4y 2 + 100 ... a 2 = 25 and b 2 = 4, so the equation b 2 ...
Positive: 47 %

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Section 3: Equations and Inequalities ... x + y = 8 and x – y = 2. x = 1, ... 5x – 4y = 47 Do equation (1) – equation (2):
Positive: 50 %
Calculation v 1 - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. Good book for maths. Good book for maths ...
Positive: 45 %
How do I know how the graph should look like: ... Example 4: y = (x − 1) 2. ... The original question from Anuja asked how to draw y 2 = x − 4.
... ^2+y^2=9$and parabola$y^2=4x$.$$My Try$$ So equation of tangent at point$(x_1 ... ellipse \frac{x^2}{4}+\frac{y^2}{9}=1 ... a^2 + y^2 / b^2 - 1 ...