suppersmartkk73 suppersmartkk73

26-04-2018
Mathematics

contestada

factor and find the roots of y= 4×^2+4×-15

factor and find the roots of y 42415 class=

Respuesta :

choixongdong choixongdong

26-04-2018

factor
=(2x - 3)(2x + 5)

roots (zero)
2x - 3 = 0
2x = 3
x = 3/2
x = 1.5

2x + 5 = 0
2x = -5
x = -5/2
x = -2.5

Answer Link

Otras preguntas

WILL MARK BRAINLIEST!!!Solve the inequality.

Find volume with full working out pls asap

The area of a trapezoid is 40 square inches. The bases of the trapezoid are 9 inches and 11 inches long. Explain how to find the height of the trapezoid.

Graph the equation below by plotting the y-intercept and a second point on the line. (Zoom in if blurry)

If you run for 0.4 hours at 7 mph, how fast should you walk during the next 0.8 hours to have the average speed of 5 mph?

Solve 1/3X-14=16 the answer

two circle of radius 6 cm and 9cm touch Each Other externally find the distance between the centre

PLEASE ANSWER Order the types of electromagnetic waves from most to least energy.

A solution contains 0.5 moles of MgSO4 dissolved in 0.6 liters of water. In water MgSO4 dissociates into one Mg2 particle and one SO42- particle. What is the os

x + 2y = 53x + 5y = 14Solve the system of equations.(3.1)(7.-1)(2.3/2)