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Elanso [62]
3 years ago
15

Which expression has a solution of 6, if r = 4?

Mathematics
1 answer:
nikitadnepr [17]3 years ago
5 0

Answer:

1.

Step-by-step explanation:

1. 4 + 2 = 6

2. 4 - 4 = 0

3. 10 + 4 = 14

4. 4 - 10 = -6

number 1 is the right answer

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15 POINTS!!! HELP ASAP! Liz wants to write the phrase “the difference of seven and the number squared” as an algebraic expressio
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Answer:

7-n^2 (#3)

Step-by-step explanation:

"the difference of" means subtract following number from preceding number in this case 7 from an unknown and it wants this number squared therefore 7 - n^2 is your answer

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Write the slope-intercept form (y=mx + b) of the blue line. Explain or show your work. Write a one sentence summary comparing th
viktelen [127]

Answer:

Therefore, the slope-intercept form of the blue line is

y = \frac{1 }{2}x + 2

Comparison:

The blue and black lines both have equal y-intercept but different slopes.

The black line is steeper than blue line which means the black line has a greater slope than the blue line.

Step-by-step explanation:

Please refer to the attached graph of this question where we have two straight lines.

The slope-intercept form is given by

y = mx + b

Where m is the slope of the line and b is the y-intercept.

Let us find the slope of the blue line from the points given in the graph.

(x_1, y_1) = (0,2) \\\\(x_2, y_2) = (4,4) \\\\

The slope is given by

m = \frac{y_2 -y_1 }{x_2 -x_1}  \\\\m = \frac{4 -2 }{4 -0}  \\\\m = \frac{2 }{4}  \\\\m = \frac{1 }{2}  \\\\

The y-intercept is given by

y = \frac{1 }{2}x + b  \\\\2 = \frac{1 }{2}(0) + b  \\\\b = 2

Therefore, the slope-intercept form of the blue line is

y = \frac{1 }{2}x + 2

Comparison:

The blue and black lines both have equal y-intercept but different slopes.

The black line is steeper than blue line which means the black line has a greater slope than the blue line.

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