COURSES GROUPS
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GRADE REPORT
Schoology
Unit 10 Test
What value of x makes this equation true?
3(x-4)=8X+18
OAX6
OB X 6/5
OC X36
. D. X.6/5
1
4 5 6 7 8 9 10

Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ

Which of the following parabolas opens down?

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?