What is the y-intercept of the line graphed by the equation

Mathematics

2 answers:

tia_tia [17]3 years ago

8 0

The answer is 1
that is because the y intercept is the number the constant.

IrinaK [193]3 years ago

7 0

The answer is 1. When the line is graphed, it will cross the y axis at y=1.
Another way to explain is that the equation is in slope-intercept form, and the 1 is the "c" component of the equation, which is the y intercept.

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The product of a number and -7 is at most -70. what is inequality 18 points

zimovet [89]

Answer:

Inequality :

$-7x\le \:-70$

Step-by-step explanation:

Let the unknown number be x

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Solving further :

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nordsb [41]

Y = A cos(Bx + C)
A - amplitude
$\frac{2\pi}{B}$ - period
$- \frac{C}{B}$ - phase shift

$y=5\cos{( \frac{x}{2} + \frac{2\pi}{3} )}
\\
\\y=5\cos{( \frac{1}{2}x + \frac{2\pi}{3})}
\\
\\A=5,B= \frac{1}{2},C= \frac{2\pi}{3}$

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Period: $\frac{2\pi}{B}=\frac{2\pi}{\frac{1}{2}}=4\pi$
Phase shift: $- \frac{C}{B} =- \frac{\frac{2\pi}{3}}{\frac{1}{2}}= -\frac{4\pi}{3}$