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Andrej [43]
3 years ago
12

18) slope and y-intercept, I need help ASAP

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0
The rate of change is 35. It represents the increase in saving every month
kompoz [17]3 years ago
6 0
The rate of change is 1/35 because the number of months(x) is increasing by 1( the numerator) and the total savings(y) is increasing by 35( denominator).
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I need help, pls and thx
Sauron [17]

The solutions for the quadratic equation are given as follows:

x = -1, x = 7/5

<h3>What is a quadratic function?</h3>

A quadratic function is given according to the following rule:

y = ax^2 + bx + c

The solutions are:

  • x_1 = \frac{-b + \sqrt{\Delta}}{2a}
  • x_2 = \frac{-b - \sqrt{\Delta}}{2a}

In which:

\Delta = b^2 - 4ac

For this problem, the equation is:

5x² - 2x - 7 = 0.

Hence the coefficients are a = 5, b = -2 and c = -7, and then the solutions are found as follows:

  • \Delta = (-2)^2 - 4(5)(7) = 144
  • x_1 = \frac{2 + \sqrt{144}}{10} = \frac{7}{5}
  • x_2 = \frac{2 - \sqrt{144}}{10} = -1

The solutions are:

x = -1, x = 7/5

More can be learned about quadratic equations at brainly.com/question/24737967

#SPJ1

7 0
2 years ago
Which of the following is a correct interpretation of the expression 3 - (-5)?<br> Chanc 1 answer.
Juliette [100K]

Answer:

8

Step-by-step explanation:

3 - (-5)

This can be rewitten to

3 + 5

Why?

2 negatives cancel each other out to make a positive, therefore:

3 + 5 = 8 or 3 - (-5) = 8

5 0
2 years ago
Read 2 more answers
Bananas cost $3 a bunch and apples cost $0.50 each. If b represents the number of bunches of bananas and a represents the number
crimeas [40]

Answer:

it's 3a+.50b

Step-by-step explanation:

3 0
3 years ago
In which quadrant is point F located <br> A. I<br> B. II<br> C. III<br> D. IV
9966 [12]
It’s C the third quadrant
6 0
2 years ago
Read 2 more answers
He ran off to put on a clean shirt. Select the adjective(s) in the following sentence.
Pavel [41]

Answer:

clean

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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