Evaluate the expression for the given values. $\frac { x ^ { 2 } } { a ^ { 2 } } + \frac { y ^ { 2 } } { b ^ { 2 } }$ for $x = - 9 , y = - 12 , a = 5 , b = - 5$
A) 13
B) 9
C) 11
D) 6
E) 10

Question

Quizplus · Accepted Answer

Substituting the given values, we have:
$$\frac {(-9)^2}{5^2}+\frac{(-12)^2}{(-5)^2} = \frac{81}{25}+\frac{144}{25} = \frac{225}{25} = 9$$
Therefore, the answer is B) 9.

Evaluate the Expression for the Given Values x2a2+y2b2\frac { x ^ { 2 } } { a ^ { 2 } } + \frac { y ^ { 2 } } { b ^ { 2 } }a2x2​+b2y2​

Evaluate the Expression for the Given Values $\frac { x ^ { 2 } } { a ^ { 2 } } + \frac { y ^ { 2 } } { b ^ { 2 } }$