Factor the polynomial f(x) Then solve the equation f(x)=0 f(x)=x^3-9x^2+11x+21 The factored form is f(x)=(x+1)(x-3)(x-7) The solution(s) to f(x)=0 is(are) x=-1,3,7 (Use commas to separate answers as needed. If a solution occurs more than once, type the solution only once.)
Solve the inequality algebraically. (5)/(x-5)gt (8)/(3x-3) The solution is square (Simplify your answer. Type your answer i in interval notation. Use integers or fractions for any numbers in the expression.)
The factors of x^2-8xy+15y^2 are A (x-15y)(x-y) B (x+15y)(x+y) (x+5y)(x+3y) D (x-5y)(x-3y)
What is the shape of the data if mean=median Symmetric Skewed left Skewed right Scalene triangle
Instructions: The discriminant is a part of which method? Select one: Completing the Square Factoring Quadratic Formula Square Roots
The partial fraction decomposition of (6)/((x-1)(x+1)) can be written in the form of (f(x))/(x-1)+(g(x))/(x+1) where f(x)=square g(x)=square
Which expression is equivalent to sqrt [4]((24x^6y)/(128x^4)y^5) Assume xneq 0 and ygt 0 (sqrt [4](3))/(2x^2)y (x(sqrt [4](3)))/(4y^2) (sqrt [4](3))/(4xy^2) (sqrt [4](3x^2))/(2y)
Express as a trinomial. (3x+4)(2x+4) Answer Attempt 1 out of 2 square
One factor of f(x)=x^3-14x^2+61x-84 is (x-7) What are the zeros of the function? 7,4,-3 7,4,3 7,-4,-3 7,-4,3
Multiply (x-4)(x^2-3x+5) x^3+5x^2+5x-20 x^3+2x^2+8x-20 x^3-x^2+7x-20 x^3-7x^2+17x-20
Apply the distributive property to the expression. $100(0.07a+0.02b)=\square $
51. Find the volume of a pyramid with a square base, where the perimeter of the base is 15.8 ft and the height of the pyramid is 20.4 ft. Round your answer to the nearest tenth of a cubic foot.
4) $v^{1}=$ A) 0 B) 1 OC) v OD) $1/v$
What is the range of the function graphed above? $-\infty \lt y\leqslant 2$ $-\frac {3}{2}\leqslant y\lt \infty $ $-\infty \lt y\lt \infty $ $\{ 2\} $
2. You are inscribing a regular pentagon in a cIrcle. You need to know the angle measure between the vertices. You divide $360^{\circ }$ by what number? 3 s 6
Which equation represents a line that has a slope of $-\frac {1}{2}$ and passes through point $(4,-5)$ $y=-\frac {1}{2}x+\frac {3}{2}$ $y=-\frac {1}{2}x+\frac {13}{2}$ $y=-\frac {1}{2}x-7$ $y=-\frac {1}{2}x-3$
Smartphones: A poll agency reports that $38\% $ of teenagers aged $12-17$ own smartphones. A random sample of 120 teenagers is drawn. Round your answers to at least four decimal places as needed Part: 0/6 Part 1 of 6 (a) Find the mean $\mu _{\hat {p}}$ The mean $\mu _{\hat {p}}$ is 45.6000 Part: 1/6 Part 2 of 6 (b) Find the standard deviation $\sigma _{\hat {p}}$ The standard deviation $\sigma _{\hat {p}}$ is $\square $
1. If $x+3=7$ then x equals: A. 3 B. 4 C. 5 D. 10
Find the angle $\beta $ between $0^{\circ }$ and $180^{\circ }$ that satisfies the following equation. $21^{2}=20^{2}+29^{2}-(2)(20)(29)cos\beta $ $\beta \approx \square ^{\circ }$ (Round to one decimal place as needed.)
Solve the equation given by completing the square. $5x^{2}+20x-25=0$ [Hint: Divide by 5 first] $x=\square $