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3 years ago

Which of the following expressions cannot be factored?

Mathematics

1 answer:

devlian [24]3 years ago

3 0

Answer:

C. 3x + 8

Step-by-step explanation:

A. can be factored; Factor 5 from all terms:

(15x - 10)/5 = 3x - 2

B. can be factored; Factor 4 from all terms:

(4x + 8)/4 = x + 2

D. can be factored; Factor 2 from all terms:

(2x - 2)/2 = x - 1

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How do I graph the circle and so on

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Answer:

The center point will be on (-5,3) and the second point will be on (-4,3)

Step-by-step explanation:

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3 years ago

What is the x -intercept of the graph y = 2 x - 14? -14 -7 0 7

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The x intercept is 7

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3 years ago

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100 POINTS+BRAINLIEST 8TH GRADE MATH PT 5: WRITE THE EQUATION OF A LINE- this one was strange because the slope is supposed to b

Finger [1]

Answer:

$\textsf{b.} \quad 3x+5y=2$

Step-by-step explanation:

Define the given points:

$\textsf{let}\:(x_1,y_1)=(4,-2)$

$\textsf{let}\:(x_2,y_2)=(-1,1)$

Use the slope formula to determine the slope of the line:

$\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{1-(-2)}{-1-4}=\dfrac{1+2}{-1-4}=-\dfrac{3}{5}$

Use the point-slope formula to determine the equation of the line.

$\implies y-y_1=m(x-x_1)$

Substitute the found slope and point (4, -2):

$\implies y-(-2)=-\dfrac{3}{5}(x-4)$

$\implies y+2=-\dfrac{3}{5}(x-4)$

Multiply both sides by 5:

$\implies 5(y+2)=-3(x-4)$

Expand the brackets:

$\implies 5y+10=-3x+12$

Add 3x to both sides:

$\implies 5y+10+3x=-3x+12+3x$

$\implies 3x+5y+10=12$

Subtract 10 from both sides:

$\implies 3x+5y+10-10=12-10$

$\implies 3x+5y=2$

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2 years ago

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The lemonade cooler at the class picnic holds 12.5L. One liter is approximately equal to 0.26 gallons. How many gallons does the

lora16 [44]

Answer: There are 3.25 or 3 1/4 gallons in one cooler

Step-by-step explanation:

If one liter is appx .26 gallons we need to multiply the number of liters there are. So 12.5 times .26 to get the answer 3.25

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4 years ago

Current is measured in units called volts yes or no

bazaltina [42]

Answer: No

Explanation: Current is measured in amps.

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2 years ago