Use the Unit Circle to evaluate TAN of -270 degrees
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answer: b.48 for

step-by-step explanation:

the first one

step-by-step explanation:

just id the test.

so, converting firstly the mixed fractions to improper fractions and then "adding".

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.