angelate angelate

24-07-2020
Mathematics

contestada

Find the axis of symmetry and vertex for the parabola y=−5x2+30x+7.

Respuesta :

valerieulbrich valerieulbrich

31-07-2020

Answer:

axis of symmetry x=3

vertex (3, 52)

Step-by-step explanation:

y = -5x² + 30x + 7

x = -b/2a = -30/2(-5) = -30/-10 = 3

y = -5(3)² + 30(3) + 7

y = -45 + 90 + 7

y = 52

Answer Link

Otras preguntas

hcf and lcm of 70 and 300

Along the continuum of Beneficence, list the order from most strict to loosest requirements.

a bag contains 4 blue, 3 green, 2 yellow, and 1 orange marbles. If 4 marbles are selected at random without replacement, what is the probability of getting exac

Moviente literario al que pertenece tomas Hernández franco

For chemical analysis, surface supplies are sampled ______ a year and groundwater is normally sampled every ______ years. a) Twice, five b) Once, two c) Thrice,

who settled in the southern part of africa first?

paris olympic medals will feature fragments from what iconic landmark?

how a break from alcohol affects your health and fitness goals

There were 500 lions in an African nature reserve. 3 years later there were 864 lions in the same nature reserve. a) Work out the percentage increase per year,

Tan-1 x-3/x-4. +. tan-1 x+3/x+4. =. π/4 then find the value of x