19-10-2014
Mathematics

Answered

Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -9x^2 + 7x + 2

Answer :

19-10-2014

f(x) = -9x^2 + 7x + 2
Factorising we get:

f(x) = (x + 1) (-9x + 2)

The solutions are x = -1 and 2/9ths

Answer Link

Other Questions

Question 4 of 10Which of the following choices are equivalent to the expression below? Check all that apply.A. [tex]\left(x^5\right)^{1/8}[/tex]B. [tex]\left(x^

A contractor records the areas, in square feet, of a small sample of houses in a neighborhood to determine data about the neighborhood. They are:[tex]2,400 ; 1,

factorise P³+P⁵-P² completely

Elias purchases a home for [tex]$\$[/tex]38,900[tex]$. The value of the home, in thousands of dollars, since his purchase is shown in the table. \begin{tabular

Select the correct answer from the drop-down menu.Charlie stands at point A while holding the control line attached to a model airplane. The plane travels 120 f

PROCESO DE APRENDIZAJE:Deduce métodos para separar mezclas (evaporación, decantación, filtración, extracción, sublimación, cromatografía y cristalización) media

For the position function [tex]s(t) = -16 t^2 + 114 t[/tex], complete the following table with the appropriate average velocities. Then make a conjecture about

On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 408 pounds and a standard deviation of 50 pounds. The cow transpo

Solve for y : -2y+5-7y= -7-4+y

What environmental concern related to climate change could result in lower dissolved oxygen levels in water?A. Rising water salinityB. Decreased water pollution

six times a number is 240

A concession stand sells hamburgers. The revenue from hamburgers is (30x + 45) dollars. The price of a hamburger is $5. Write an expression that represents the

Drag each expression to show whether it is equivalent to 48x + 8, 8(6x – 1), or (4 • 12x) + (4 • 4). what do that means because i dont understand

83% of 20 is what number?

O2 +C8H18--> H2O + CO2

what happens to a fruit after fertilization

Which is a key element found in all carbohydrates, lipids, proteins, and nucleic acids? A. ammonia B. carbon C. nitrogen D. legumes

animals with nerve net have what

animals with nerve net have what

What is the answer to the fraction 6 5/8-4 2/9