dejabo124
dejabo124
19-07-2019
Mathematics
contestada
Why is the x intercept wrong?
Respuesta :
jpyon3019
jpyon3019
19-07-2019
It’s wrong because it isn’t one of the zeroes for the equation
f(x)=-16x^2+64x+80
Divide by -16
x^2-4x-5
(x-5)(x+1)
Set them up to zero
x-5=0. x+1=0
x=5. x=-1
5 and -1 are your possible zeroes
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
RELAXING NOICE
Otras preguntas
A country's population, in millions, is given by the exponential model P = 78.2e0.047t, where t represents years after 2000. After how many years will the count
which of the following is a good question to ask during an informational interview?
some snakes have vestigial legs. why is it considered evidence for evolution?
In which landmark case did the supreme court rule that "separate but equal" facilities were legal? a. dred scott v. sandford b. brown v. board of education of t
Write the point-slope form of the line that passes through the points (-2, 1) and (0, 1). Identify (x1, y1) as (-2, 1).
Abcd is a square. given only the choices below, which properties would you use to prove aeb ≅ dec by asa?
How do you change the currents in a circuit
Abcd is a square. given only the choices below, which properties would you use to prove aeb ≅ dec by asa?
An electrolyte solution has an average current density of 111 ampere per square decimeter \left( \dfrac{\text{A}}{\text{dm}^2}\right)( dm 2 A )left paren
An electrician has a spool of wire that is 200 m long. She needs four pieces of wire measuring 42.3 m, 37.8 m, 55.6 m, and 35.7 m. About how much wire will be
