1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
choli [55]
2 years ago
13

X 5.2.19

Mathematics
1 answer:
Semmy [17]2 years ago
7 0

Answer:

Step-by-step explanation:

y = ax² + bx + c

Plug the points into the equation to get a system of 3 equations with 3 unknowns a, b, and c.

-27 = 4a - 2b + c

-42 = 9a + 3b + c

-12 = a + b + c

(a,b,c) = (-4,1,-9)

y = -4x² + x - 9

You might be interested in
Suppose that y varies inversely with x and y = 3 when x=10 find y when x=5
zysi [14]

Answer:

y=1.5

Step-by-step explanation:

if (y = 3) is  (x = 10) and (y = ?) is (x = 5) we see that x is half of the first equation in the second. This means we divide both variables in the first equation by half to get the second. [(x = 10) / 2 = (x = 5)] therefor, [(y = 3) / 2 = (y = 1.5)]. Making your answer 1.5.

Hope this helps :)

4 0
3 years ago
What is 7 to the 2nd power multiplied by 7 to the 3rd power
inn [45]
The answer is 16807 because 49*343 is 16807. 
3 0
3 years ago
Read 2 more answers
how long will it take b and c to equal the same if b starts with 30,000 with an raise of 2400 and c starts with 36000 with a rai
Rufina [12.5K]
The easiest way is to make equations y=2400x+30000 and y=2000+36000
and then put that in the calculator and go to table and the point they intersect at is (15,66000)
3 0
3 years ago
Which relation is a function
faltersainse [42]

Answer:

The relation on the bottom left, where the mouse is, is the function. Hope this helps :)

4 0
3 years ago
Find the midpoint of the line segment joining the points (10,14) and (-7,7).
LekaFEV [45]

Answer:

(1.5, 10.5)

Step-by-step explanation:

midpoint =  \bigg( \frac{10 + ( - 7)}{2},  \:  \:  \frac{14 + 7}{2}  \bigg) \\  \\  = \bigg( \frac{3}{2}, \:  \:  \frac{21}{2}  \bigg) \\  \\  = = ( 1.5,  \:  \:  10.5 )

3 0
3 years ago
Other questions:
  • What is the simplified form of -(x-4)
    8·1 answer
  • What is the area of a sector with a central angle of π3 radians and a radius of 12.4 m? Use 3.14 for π and round your final answ
    13·2 answers
  • Evaluate.<br><br> 8d - 4 / 3 + c. when d = 5 and c = 6.
    5·1 answer
  • Need some help!!! Simplify: (3x^2y)*(5x^3y^2)
    8·1 answer
  • Is 3/5 proportional
    14·1 answer
  • Convert the units of weight.
    15·1 answer
  • PLEASE HELP SUPER EASY IM JUST STUPID
    13·2 answers
  • Which expression does the model represent?
    14·2 answers
  • When converting the equation -x+2y=-10 into slope-intercept form, the first step to solve for y would be to ?
    12·1 answer
  • A pail holds 3 1/2 gallons of water. How much is this in cups?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!