Answer:
y = -2x + 8
General Formulas and Concepts:
<u>Algebra I</u>
Slope-Intercept Form: y = mx + b
- m - slope
- b - y-intercept
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify variables</em>
<em>m</em> = -2
<em>b</em> = 8
<u>Step 2: Find</u>
- Substitute in variables [Slope-Intercept Form]: y = -2x + 8
Using a system of equations, it is found that the value of “b” in ax^2 + bx + c would be of:
B. 6
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, when x = 0, y = 15, hence c = 15.
When x = -1, y = 10, hence:
a - b + 15 = 10
a - b = -5
a = b - 5.
Then, when x = 1, y = 22, hence:
a + b + 15 = 22
a + b = 7
b - 5 + b = 7
2b = 12
b = 6.
Hence option b is correct.
More can be learned about a system of equations at brainly.com/question/24342899
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Answer:
11
Step-by-step explanation:
divide 154 by 14
Do subsitution
energy (k)=32
so
32=(1/2)v^2
(I'm pretty sure it is K=(1/2)mv^2, but ok)
times 2 both sides
64=v^2
sqrt both sides
8=v
8m/s is velocity