Acircle is defined by the equation given below.
i2 + y2 - x - 2y - 11 / 4 = 0
what are the coordinates for the center of the circle and the length of the radius?
units
a. (1), 2 units
b. (,1), 4 units
c. , -1), 4 units
d. (,1), 2 units

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.