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
Part 7:Statistics 19. Find the mean (average) of the following numbers: $72,80,88,90,70$ Answer: __
18. A number cube $(1-6)$ is rolled. What is the probability of rolling an even number? Answer: __
Factor the polynomial below. $36x^{2}-25$ Cannot be factored $(6x+5)(5x-6)$ $(6x-5)^{2}$ $(6x+5)(6x-5)$
$3x(6x^{2}-4xy^{2})+8x^{2}y^{2}-2y^{3}$
15. A rectangle has a length of 14 m and a width of 9 m. What is the perimeter? Answer: __
The sum of three consecutive numbers is 309 . What is the smallest of the three numbers?
Identify the focus of each. 31) $y-6=(x-4)^{2}$ 32) $\frac {1}{2}(x+2)=(y+9)^{2}$ 33) $x^{2}+4x+4y+4=0$ 34) $2x^{2}-24x+y+70=0$
Which is the product $(3x-5)(3x+5)$ in general form? $9x^{2}+25$ $9x^{2}-25$ $9x^{2}+15x-25$ $9x^{2}-15x-25$
Find the value of the expression $(t^{3}\div 4+s)\div 7$ for $s=19$ and $t=2$ $\square $
How would you write this expression using the values for a and b? $9(18)\div 10$ $9+18\div 10$ $10(18)\div 9$ $10+18\div 9$
