Use the scratchpad or box below to show how to solve the equation sqrt (2x+1)-4=-1 square
Which of the following is a solid bounded by the set of all points at a given distance from a given point? A. Cube B. Sphere C. Cylinder D. Cone
30 Given f(x)=(2)/(3)x+6 write the equation of f^-1(x)
Which expression is equivalent to 100n^2-1 7 (10n)^2-(1)^2 (10n^2)^2-(1)^2 (50n)^2-(1)^2 (50n^2)^2-(1)^2
Triangle ABC is congruent to triangle XYZ. In Delta ABC,AB=12cm and AC=14cm. In Delta XYZ,YZ=10cm and XZ=14 cm. What is the perimeter of Delta ABC 36 cm 38 cm 40 cm 50 cm
26 Algebraically determine the solution to the equation below. sqrt (x-2)+x=4
27 Factor the expression completely. (x-1)^2+5(x-1)-6
Select the correct answer. Which measure describes the standard error of the mean? A. the central limit theorem B. the sample mean C. the standard deviation of the means D. the confidence interval
17 Consider the system of equations below. 3x+2y=1 2y+z=2 2x-2z=-6 What is the value of x? (1) 1 (3) -4 (2) -1 (4) 4
11 Josie examines the graphs of f(x)=3^x-8 and g(x)=(1)/(x^2)-4 The number of solutions to f(x)=g(x) is (1) 1 (3) 3 (2) 2 (4) 0
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 $
