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cluponka [151]
3 years ago
15

Haley substituted the values of a, b, and c into the quadratic formula below.

Mathematics
2 answers:
Marysya12 [62]3 years ago
7 0
The quadratic formula is x equals negative b plus or minus the square root of b squared minus four times a times c, all over 2a. 
Looking at the equation, we can find the values for a, b, and c
a=7
b= -10
c= -2

So then putting that back into standard form, which is ax^2+bx+c, we know Haley's function in standard form is 7x^2-10x-2
trapecia [35]3 years ago
3 0

Answer:

a=7

b= -10

c= -2

Step-by-step explanation:

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Find the slope of the line that passes through (40,3000) and (60, 4000).
iragen [17]

Answer:

m=50

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (40, 3000)

Point (60, 4000)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{4000-3000}{60-40}
  2. Subtract:                       m=\frac{1000}{20}
  3. Divide:                          m=50
3 0
3 years ago
How do you solve this?
ohaa [14]
-7x -7y = 21
Y = 6

Since they are giving you the value of 6 you just plug it in the equation

-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42

-7x = 63
/-7. /-7

X = -9
7 0
3 years ago
Read 2 more answers
Which two transformations are applied to pentagon ABCDE to create A'B'C'D'E'?
vekshin1
The answer is C. I need a total of 20 characters so heres a smiley face:)
6 0
3 years ago
What fractional part of the day do you spend sleeping if you sleep 8 hours?
fomenos

You sleep 1/3 of the day.

5 0
2 years ago
Write the equation of the line that passes through (−1, 5) and has a slope of 3 in point-slope form. (2 points)
aleksandr82 [10.1K]
The point-slope form: y-y_0=m(x-x_0)

m = 3; (-1; 5) \to x_0=-1;\ y_0=5

subtitute

y - 5 = 3(x - (-1))

y - 5 = 3(x + 1)
4 0
3 years ago
Read 2 more answers
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