Ask question

Ask question

All categories

Brilliant_brown [7]

4 years ago

15

If R1 and R2 are the roots of x^2+4x-5=0

1 answer:

professor190 [17]4 years ago

3 0

Factor to find the roots.
(x+5)(x-1)=0

Proof:
5-1=4
5*-1=-5

Then apply the Zero Product Property.
(x+5)=0
x=-5

(x-1)=0
x=1

Roots: x=-5, x=1

You might be interested in

In a certain country, the car number plate is formed by 4 digits from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 followed by 2 l

elena-s [515]

Answer:

none, because without the letters and numbers.the plate number can not be identify or formed

3 0

3 years ago

The vertex of the function’s graph is given. Find c. y = x2 + 10x + c; (-5, -27)

castortr0y [4]

Actually I didn't see the (-5, -27), the answer would be -2.

5 0

3 years ago

Ndjdjjxjxjdjfjfjdjjdfjfj

Norma-Jean [14]

Answer:

whh3u2ofefnfek

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

At Appliance Market, a salesperson sells a dishwasher for $569. She gets a commission rate of 18 percent. Which expression repre

posledela

569/x=100/18
multiply both sides of the equation
569=5.55556
now we divide
569/5.55556
102.42=x

18% of 569=102.42

4 0

4 years ago

Read 2 more answers

A fair die is rolled three times. What is the probability that the first outcome is less than (and not equal to) the second outc

34kurt

For part (a), first consider the simple case where we roll two dice.What is the probability that the second roll is greater than the first? Assuming a six-sided dice, the total number of outcomes $(i,j)$ is $6^2$.

5 0

3 years ago