Graph the equation y=-3x-4 by plotting points

Mathematics

1 answer:

Irina18 [472]3 years ago

6 0

Step-by-step explanation:

y = -3x - 4

Given the linear equation, y = -3x - 4, where:

m (slope) = -3

b (y-intercept) = -4

Since we already have the y-intercept, (0, -4), we can start plotting points into the graph using the slope, $\frac{-3}{1} = \frac{rise}{run}$ (which also represents three units down, 1 unit to the right).

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Give the values of a, b, and c needed to write the equation's standard form. 1/4x^2+5=0

Pavel [41]

The equation in its standard form is written as followsax ^ 2 + bx + c = 0
To find the values of a, b, c we must compare the given equation with the standard equation. Comparing we have:
ax ^ 2 + bx + c = 0
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Therefore the values of a, b, c are
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3 years ago

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What is the value of h in the figure below? In this diagram, ABAD - ACBD.

andreev551 [17]

Answer:

h =12

Step-by-step explanation:

$In\: \triangle ABC, \: \angle ABC = 90\degree \: \&\:\\ BD\perp AC$

Therefore, by geometric mean property:

$BD = \sqrt {AD\times CD} \\h = \sqrt {(AC-CD) \times CD} \\h = \sqrt {(25-16) \times 16} \\h = \sqrt {9 \times 16} \\h = \sqrt {144} \\\huge \red {\boxed {h = 12}} \\$