If y=-cosx what x-value corresponds to a y-value of 1 between 0 and 2pi [?]pi
Write in terms of i. Simplify your answer as much as possible. -sqrt (-24)
Select a counterexample to the statement. The product of any integer and itself is odd. 5cdot 4=20 4cdot 1=4 4cdot 4=16 6cdot 4=20
Multiply and simplify the following radical expressions. (sqrt (3)-1)(sqrt (3)+5) square Answer 2 Points
Multiply. 2vcdot 3v^9w^5cdot 3w^4 Simplify your answer as much as possible. square
Subtract. -2(1)/(2)-(3)/(5)= square
5) ((-7)+9-7)^2 times(5 div(-5))^2
10. Staying Sharp What is the 7^th term in the sequence below? 3,12,48,192,ldots Answer: Evidence for Answer:
Solve for y. You must write your answer in fully simplified form. -20=5y
Subtract. (x+2)/(2x+6)-(x-3)/(5x+15) Simplify your answer as much as possible. square
7. A fair six-sided die is rolled. What are the odds of getting a 3 or higher. Leave your answer as a reduced fraction. $\square $
Find $(2(cos\frac {2\pi }{3}+isin\frac {2\pi }{3}))^{5}$ $-16-16i\sqrt {3}$ $16+16i\sqrt {3}$ $16\sqrt {3}+16i$ $-16\sqrt {3}-16i$
Convert into a complex number: $2(cos\frac {4\pi }{3}+isin\frac {4\pi }{3})$ $-\sqrt {3}-i$ $\sqrt {3}-i$ $-1-i\sqrt {3}$ $1+i\sqrt {3}$
Convert into a polar coordinate: $2\sqrt {3}-2i$ $(4,\frac {7\pi }{6})$ $(-4,\frac {11\pi }{6})$ $(-4,\frac {5\pi }{6})$ $(4,\frac {\pi }{6})$
10. Simplify the expression. $\sqrt {125t^{4}r^{3}s^{13}}$
1. What is the simplified form of $-\sqrt {(y+5)^{16}}$ A. $(y+5)^{8}$ B. $-(y+5)^{8}$ C. $(y+5)^{4}$ D. $-(y+5)^{4}$
Which quadrilateral does not have diagonals that are perpendicular? Rectangle Rhombus Square
Simplify the following expression completely. $\frac {x^{2}-14x+45}{x^{2}-18x+81}$
What is the measure of an exterior angle in a regular 15-gon? Write your answer as an integer or as a decimal rounded to the nearest tenth.
Find the distance between the given points. $(-3,1)$ and $(12,37)$ $\square $