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3 years ago

Write an equation for a slope of -2 And y-intercept of 7

2 answers:

5 0

y=mx+b is the main equation for the slope-intercept, m stands for the slope and b is the y-intercept, so if you subsitute the -2 for m and the 7 for the b, you get y=-2x+7

larisa86 [58]3 years ago

4 0

Y=-2x+7 That is the equation written in y=mx+b formula

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What is the radius of the circle x2+(y+6)2=25

GenaCL600 [577]

Answer: y=7

Step-by-step explanation:

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3 years ago

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laila [671]

Answer:

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4 years ago

Write an explicit formula for the An, and the n^th term of the sequence 24,-12,6,....

Annette [7]

Answer:

$T_n = -48* (-\frac{1}{2})^{n}$

Step-by-step explanation:

Given

$24, -12, 6,...$

Required

Write a formula

The above sequence shows a geometric sequence because:

$r = \frac{-12}{24} = \frac{6}{-12} = -\frac{1}{2}$ -- common ratio

The equation is determined using:

$T_n = ar^{n-1}$

Where

$a = 24$

Substitute values for a and r

$T_n = 24* (-\frac{1}{2})^{n-1}$

Apply law of indices:

$T_n = 24* (-\frac{1}{2})^{n} * (-\frac{1}{2})^{-1}$

$T_n = 24* (-\frac{1}{2})^{n} * 1/(-\frac{1}{2})$

$T_n = 24* (-\frac{1}{2})^{n} * 1*-2$

$T_n = 1*-2*24* (-\frac{1}{2})^{n}$

$T_n = -48* (-\frac{1}{2})^{n}$

<em>The above represents the explicit formula</em>

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3 years ago

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cupoosta [38]

Answer:

Step-by-step explanation:

I THINK MY BEST ESTIMATE HOPE IT HELPS THOO :))

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3 years ago

Read 2 more answers

when you're dividing fractions you only flip the numbers around and multiply them if the numerator is higher than the denominato

Whitepunk [10]

Answer:

Step-by-step explanation:

Actually, when dividing fractions, you always flip the second fraction and multiply, no matter the size of the numerator or denominator.

6 0

3 years ago