cacevri3lli cacevri3lli

18-05-2016
Mathematics

contestada

Jean needs to graph the function below
y= 7x^2 + 8x - 6
How many time should the graph of this function intersect at the x-axis?

A. 3
B. 2
C. 1
D. 0

Respuesta :

18-05-2016

Hello,

Δ=8²-4*7*(-6)=232>0 thus 2 roots
Answer B

Answer Link

Otras preguntas

A woman exerts a horizontal force of 10 pounds on a box as she pushes it up a ramp that is 8 feet long and inclined at an angle of 30 degrees above thehorizonta

Naturally occurring bromine is composed of 50.7% of 79Br and 49.3% of 81Br. Atoms of 79Br have a mass of 78.9183 u and those of 81Br have a mass of 80.9163 u. C

Which algebraic rule describes the transformation of rectangle RSTU to R'S'T'U'?

A binary compound created by reaction of aluminum and an unknown element E contains 52.99% Al and 47.01% E by mass. If the formula of the compound is Al2E3, cal

Hi can someone help me with this question so I can understand thank you :)

Why is it important to heat analytical reagents and store them in a dessicated atmosphere before use?

Charlie measures the circle-shaped part of a sun his sister draws on a chalkboard. The circumference of the circle is 62.8 cm. What is the diameter? Use = 3.14

write an example of an equivalent ratio

Why do speakers emphasize particular words and phrases? To make the language more memorable To remind the audience of the theme To make a claim seem logical

With modem communications, the receiving modem converts the incoming digital signal from the telephone line into an analog signal that can be understood by the

ACCESS MORE