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3 years ago

Fill in the missing numbers to complete the linear equation that gives the rule for this table x f(x) 0 -28 1 -17 2 -6 3 5

Mathematics

2 answers:

pickupchik [31]3 years ago

6 0

Fill in the missing numbers to complete the linear equation that gives the rule for this table x f(x) 0 -28 1 -17 2 -6 3 5

ser-zykov [4K]3 years ago

6 0

Bonk gang whole lotta gang shut my nihha I got it like I got it but I can’t say though cause I’m on all kind of drugs

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Solve the equations for all values of x by completing the square x^2+62=-16x

lorasvet [3.4K]

Answer:

$x = \sqrt{2} - 8\\x = -\sqrt{2} - 8$

Step-by-step explanation:

To complete the square, we first have to get our equation into $ax^2 + bx = c$ form.

First we add 16x to both sides:

$x^2 + 16x + 62 = 0$

And now we subtract 62 from both sides.

$x^2 + 16x = -62$

We now have to add $(\frac{b}{2})^2$ to both sides of the equation. b is 16, so this value becomes $(16\div2)^2 = 8^2 = 64$ .

$x^2 + 16x + 64 = -62+64$

We can now write the left side of the equation as a perfect square. We know that x+8 will be the solution because $8\cdot8=64$ and $8+8=16$ .

$(x+8)^2 = -62 + 64$

We can now take the square root of both sides.

$x+8 = \sqrt{-62+64}\\\\ x+8 = \pm \sqrt{2}$

We can now isolate x on one side by subtracting 8 from both sides.

$x = \pm\sqrt{2} - 8$

So our solutions are

$x = \sqrt{2} - 8\\x = -\sqrt{2} - 8$

Hope this helped!

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3 years ago

8 + (-3) integers topic

dalvyx [7]

If you’re asking for the answer, it’s 5

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2 years ago

Line t has an equation of y=10x-8. Line u is perpendicular to line t and passes through (-10,-6). What is the equation of line u

Pachacha [2.7K]

Answer: y= $-\frac{1}{10} x-7$

Step-by-step explanation: The slope of a perpendicular line is always negative and the reciprocal (opposite fraction) of the regular slope so the slope would be $-\frac{1}{10}$ . If the line passes through (-10,-6) then the y intercept would be (0,-7) because every time x goes 10 right y goes down 1 because of the slope.

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1 year ago

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Advocard [28]

Answer:

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Step-by-step explanation:

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3 years ago

A rock is thrown straight up from the top of a bridge that is 75 ft high with an initial velocity of 32 ft/s. The height of the

Amanda [17]

Step-by-step explanation:

When -16t² + 32t + 75 < 75, -16t² + 32t < 0.

=> 16t(2 - t) < 0, t < 0 or t > 2.

However t < 0 is rejected as time cannot be a negative value. Hence the solution in interval notation is (2, ∞).

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3 years ago