Answer:
Step-by-step explanation:Write as two points in terms of: (number of people, cost in $)
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(15,120) and (25,200)
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Find the equation of the line using:
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m = (y2 – y1) / (x2 – x1) and y = mx + b
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Equation:
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Y = 8x
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plug in x = 40
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y = 8(40) = 320
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A party of 40 people will cost $320.00.
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Slope:
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m = 8 $/person
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For every person that attends the party, the caterer’s bill increases by $120.00.
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y-intercept: 0
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(0,0)
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This tells us that if no one attends the party, the caterer’s bill will be $0.00. So the
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caterer has no base cost they charge to caterer a party.
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Answer:
c
Step-by-step explanation:
The mistake was in the distributive property
4y-(5-9y) =4y-5-9y
It should’ve been 4y-5+9y
The coordinate set (0, 0), (2, 1), (4, 2), (6, 3) represents a straight line. Since the first point is (0, 0) the y-intercept is 0. Now, lets solve for the slope (we can use any of the four points to solve).
Slope formula: y2-y1/x2-x1
= 2-1/4-1
= 1/2
Now that we know what the slope is, we can write the equation of the line.
Slope intercept form: y = mx + b (m = slope and b = y-intercept)
y = 1/2x
Lets find the exponential equation for the line.
y = ab²
1 = ab²
1/a = ab²/a
1/a = b²
√1/a = √b²
√1/a = b
<em>A graph of the coordinates will be below.</em>
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Best of Luck!
Answer:
7
Step-by-step explanation:
pq - r/4
(-8)(-3) - 68/4
-8 x -3 = 24 (2 negatives equal a positive)
24 - 68/4
68/4 = 17
24-17 = 7
