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2 years ago

Find the gradients of lines A and B.

Mathematics

1 answer:

pishuonlain [190]2 years ago

4 0

Answer:

Gradient of line A = 4

Gradient of line B = -2

Step-by-step explanation:

To solve this question, we will use the formula for gradient passing through two points $(x_1,y_1)$ and $(x_2,y_2)$ ,

Gradient (m) = $\frac{y_2-y_1}{x_2-x_1}$

For line A,

Since, line A passes through (3, 6) and (4, 10)

Gradient of line A = $\frac{10-6}{4-3}$

= 4

For line B,

Since, line B passes through (1, 6) and (2, 4),

Gradient of line B = $\frac{6-4}{1-2}$

= -2

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Answer:

Step-by-step explanation:

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Discriminant is denoted by D and its formula is

$D=b^2-4ac\\$

Where

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Properties of D: If D

i) D=0 , One real root

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Let us start with

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Figure is shown in attachment

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