K1endakaileyf K1endakaileyf

02-09-2016
Mathematics

contestada

Find the x-intercepts for the parabola defined by the equation below. y = 2x2 + 2x - 4

Respuesta :

HomertheGenius HomertheGenius

02-09-2016

2 x² + 2 x - 4 = 0
2 x² + 4 x - 2 x - 4 = 0
2 x ( x + 2 ) - 2 ( x + 2 ) = 0
( x + 2 ) ( 2 x - 2 ) 0 0
x + 2 = 0, or : 2 x - 2 = 0
x = - 2, 2 x = 2, x = 1
The x-intercepts are: ( -2, 0 ) and ( 1, 0 ).

Answer Link

Otras preguntas

Which of the following best describes the use of a renewable resource? (2 points) Most power plants burn fossil fuels to generate electricity for use in homes,

What’s the percent from $18 to $45

Please help Easy math (for some people) I will give Brainliest.

What did artist depicted in the literature and art after ww1

Here are the prices of five new skateboards, in dollars

which term describes a type of trait that is usually expressed only when an organism has two identical alleles for the trait

the acceleration of a freely falling body is about 10m/sec/sec. if the ball is dropped from the top of a building what would its velocity be after 2 seconds?

Which structure is involved in the reproduction of this plant? A. Spores B. Pollen C. Cones D. Fruit

In the movie The Patriot Why are the boys so excited to read the mail

Find the slope of the line passing through