Lea solves the equation below by first squaring both sides of the equation. 3+2y=√-y
What extraneous solution does Lea obtain?
y=

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil