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3 years ago

Write an equation in point-slope form that has a y-intercept at (0, 12) and also contains the point (1,2)

Mathematics

1 answer:

harkovskaia [24]3 years ago

6 0

Answer:

y-2=-10(x-1).

Step-by-step explanation:

The point slope form is y-y_1 = m(x-x_1). Now we find the slope, which is 2-12 (-10)/1-0(1). This gives us -10. Now we plug the coordinates from one of the points and the slope to get y-2=-10(x-1).

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I'm confused in this question. Could anyone help me please?

stepladder [879]

Answer:

I think answer is opction no. 2

Step-by-step explanation:

x = C - 5/2

3 0

3 years ago

Evaluate the dot product of (2,4) and (1,2)

Aleksandr [31]

ANSWER

The dot product is 10.

EXPLANATION

The given vectors are (2,4) and (1,2).

If we have the vectors

u=(a,b) and v=(c,d)

Then the dot product of the two vectors is given by

$u \bullet \: v = ac + bd$

This implies that,

$(2,4) \bullet(1,2) = 2 \times 1 + 4 \times 2$

This simplifies to;

$(2,4) \bullet(1,2) = 2 + 8 = 10$

4 0

3 years ago

Slope and the intercept

Pie

Answer:

y-intercept: (0, 3) slope: 3

Step-by-step explanation:

7 0

3 years ago

30 points plz help Use the draggable points to graph the equation 1 y= 2x+3

Nikitich [7]

Answer:

Yeah its 7 because when you add 3+2=5, and x is 2, its 7

3 0

3 years ago

Why is the answer A ? why can't D work?

attashe74 [19]

The negative in a = -2 for answer A represents a reflection over the x-axis.
What does the cosine graph usually look like?.....It goes through point (0,1) and decreases.
The graph shown goes through point (0,-2). Since there are no vertical or horizontal shifts, the graph has an amplitude of 2 and reflects over the x-axis.

a=2 for answer D does not represent the reflection over the x-axis.

7 0

3 years ago