danny9935 danny9935
  • 18-02-2019
  • Mathematics
contestada

What are the solutions to 2x^2+7x=4? Select all that apply

A.1/2
B.4
C.-1/2
D.-4
E.7
F.-7

Respuesta :

hroscoe
hroscoe hroscoe
  • 18-02-2019
The answers are A and D

You would first see if u can factor the equation:
First move the 4 over and set equation =0
2x^2+7x -4 = 0; next factor:
(2x - 1)(x + 4); now set each set of parentheses equal to 0:
2x-1= 0
2x=1, so x= 1/2

x+4=0
X=-4
Answer Link

Otras preguntas

Do electromagnetic waves travel through a medium
How do you write 29 /100 as a percentage ?
Ellason wants to solve the following system using the elimination method: 5x + 2y = 30 x + y = 8 What number should the equation x + y = 8 be multiplied by to
A long narrative poem about supernatural events is _____. a romance an epic a satire
The statement "There was snow on the ground, . . . and a large old-fashioned sleigh was seen to drive up to the door of the late Col. Ardinburgh" is an example
write an equation in standard form then solve 2q^2+22q+=-60
A carton can hold 1,000 unit cubes that measure 1 inch by inch.describe the dimensions of the carton using unit cubes
Tartuffe's appearance in act 3 is known for which of the following? A. Delayed emergence? B. Exposed deliverance? C. Postponed exposure? D. Belated introductio
Read these lines of poetry: The fox in the henhouse laughed, and the pigs looked out from their sty. They oinked and alerted the horses, who bolted from th
Unlike gradualism, punctuated equilibrium involves a. a slow change in evolution over time. b. stable periods of change interrupted by rapidly occurring chang