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Yuri [45]
3 years ago
14

The coordinates of the vertices of △DEF are D (1, 2) , E (2, 0) , and F (−1, 0) .

Mathematics
1 answer:
alexgriva [62]3 years ago
8 0

Answer:

Step-by-step explanation:

△D′E′F′ is reflection of △DEF across y = - 1.

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Ax+b=c for x how do I solve this can someone help explain it to me.
Dmitry [639]

Answer:

x= c - b / A

please look at the step by step explanation to better understand :)

Step-by-step explanation:

subtract b from the left side and right side

so you are left with Ax = c - b

divide what number c - b is by A

and you are left with x= c - b / A

5 0
3 years ago
What is the distance between point Q and point R
kompoz [17]
Just count the units and that should give you 7 units.
5 0
3 years ago
A coordinate grid with 2 lines. One line, labeled f(x) passing through (negative 2, 4), (0, 2), and the point (1, 1). The other
Margarita [4]

Answer:

x = 1

Step-by-step explanation:

The line 1 passing  through the points (-2,4), (0,2) and (1,1) is represented by the function f(x).

Again the line 2 is represented by y = g(x) and it passes through the points (-3,-3), (0,0) and (1,1).

So the only common point between line 1 and line 2 is (1,1) and it will be unique since two straight lines meet at only one point if they are not parallel.

Hence, for x = 1 input value produces the same output value y = 1 for the two functions f(x) and g(x) on the graph. (Answer)

4 0
3 years ago
Read 2 more answers
Angle A and angle B are complementary. m Angle A = 54 and M angle B = 2x+2. What is the m angle B
Gnom [1K]

Answer:

m=17

Step-by-step explanation:

Complementary means they add to equal 90 degrees.

1) 90-A=36

2)36=2x+2

3) Subtract 2 from both sides, 34=2x

4) Divide by 2 17=x

4 0
2 years ago
Write the equation of the line,in slope-intercept form, that has a slope of -2 and goes through the point (1,1)
kirza4 [7]

Answer:

The equation of the line would be y = -2x + 3

Step-by-step explanation:

In order to find the equation of the line, start by using point-slope form with the known information.

y - y1 = m(x -x1)

y - 1 = -2(x - 1)

Now that we have this, solve for y.

y - 1 = -2x + 2

y = -2x + 3

8 0
2 years ago
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