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
a_sh-v [17]
2 years ago
9

Please help, it is a bonus problem so you don't have to show your work. But I would like to see it.

Mathematics
2 answers:
BartSMP [9]2 years ago
7 0

In a quadratic equation, the formula is:  ax^2 + bx + c = 0

In the given formula 2x^2 + 4x -6 = 0:

a = 2, b = 4 and c = -6

Using the quadratic formula x1, x2 = -b+/-sqrt(b^2-4ac)/2a

Replace am b and c with their values and solve:

Now you have the 2 x values :

x1 = 1, x2 = -3

1^2 + -3^2 = 1 + 9 = 10

Answer: 10

solniwko [45]2 years ago
3 0

Answer:

10

Step-by-step explanation:

→ Factorise equation

( 2x + 6 ) ( x - 1 )

→ Solve

x = -3 and 1

→ Find the value

(-3)² + (1)² = 10

You might be interested in
Identify the constants in the expression: 7-5x+1?For 6th grade.
erik [133]

Answer:

The constants are 7 and 1

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP ME, ITS DUE RN
madam [21]

Answer:

here you go

Step-by-step explanation:

35+a+b+c=270

35+a=90

a+b=180

35+90+c=180

4 0
3 years ago
A go-karts top speed is 607,200 feet per hour. what is the speed in miles per hour?
Genrish500 [490]

Answer:115 miles/hour

Step-by-step explanation: one mile equals to 5280 feet, so 607200 divided into 5280 is 115 and as your timing don’t change you can convert only the distance

7 0
3 years ago
Is - 5 a solution to the equation 6x + 5 = 5x + 8 + 2x<br><br><br><br><br><br><br>BRAINLIEST
s344n2d4d5 [400]
No: 6(-5) +5 = 5(-5) +8 + 2(-5)
-30 + 5 = =25 + 8 - 10
-25 ≠ -27
8 0
3 years ago
A
zhuklara [117]

2/3in = 1ft

30ft = ?in

30/(2/3)=45

45in

6 0
3 years ago
Other questions:
  • I'm confused on case 3 sea level
    6·1 answer
  • A cube has a surface area of 96cm squared. what is the volume of the cube?
    11·1 answer
  • Is the number of hydrogen atoms a function of the number of oxygen atoms? Explain
    12·1 answer
  • Can you help me please ​
    14·1 answer
  • The length of the minute hand is 200% of the length of the hour hand.
    5·2 answers
  • Which situation could be represented by the equation
    11·1 answer
  • Can someone please help me with this :( asap
    10·1 answer
  • At a football stadium, 20% of the fans in attendance were teenagers. If there
    8·2 answers
  • The first one is brainlyist
    9·1 answer
  • Joe borrowed $6,000 from the bank at a rate of 7% simple interest in per year. how much interest did he pay in 9 years?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!