Ambergabe2014 Ambergabe2014

12-02-2017
Mathematics

contestada

Whats the expression y^2+7y+12

Respuesta :

kaevras kaevras

12-02-2017

We can find the value of y in the expression y² + 7y + 12 by factorising.

Make the expression equal to zero.

y² + 7y + 12 = 0

Factorise.

(y + 3)(y + 4) = 0

So either (y + 3) = 0 or (y + 4) = 0

When (y + 3) = 0, y would be -3.

When (y + 4) = 0, y would be -4.

Answer Link

Otras preguntas

Why did galileos heliocentric theory cause great controversy during the scientific revolution?

The numbers of birds Jim spots on different days during a bird watching trip are: 12, 6, 7, 11, 11, 9, 13, 16, 10. What is the first quartile of this data set?

What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 3.5 × 10-4 mm (1.378 × 10-5 in.) and a c

generate and solve another division problem with the same quotient and remainder as the two problems below. Explain your strategy for creating the new problem

a painter uses a rope to raise a 3.55 kg bucket at a constant speed. How much force does the rope exert on the bucket?

Please help!! How do protists differ from bacteria?

The moment of inertia for a set of point masses is given by the equation, I=∑nimir2i. What is the moment of inertia for a frame of four point masses positioned

A force of constant magnitude F and fixed direction acts on an object of mass m that is initially at rest. If the force acts for a time interval ∆t over a displ

Law of motion that says for every action there is an equal and opposite

What difference between chlorophyll a and chlorophyll b is noted in sentence 4