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3 years ago

Consider this argument: LOGIC BASED, NOT PERSONAL EXPERIENCE

Mathematics

1 answer:

Nitella [24]3 years ago

7 0

Answer:

Valid

Step-by-step explanation:

Because if you study you would most likely know what the test/quiz/exam is about and understand the problems. If you don't study then you would probably not know how to do the work or solve the problems on the quiz/test/exam. (very sorry if wrong!)

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How many points does the given equation have in common with the x-axis and where is the vertex in relation to the x-axis. y=x^2-

Fudgin [204]

Answer:

1. It has two points in common with the x-axis.

2. The vertex in relation to the x-axis is at $x=6$

Step-by-step explanation:

The points that the equation has in common with the x-axis are the points of intersection of the parabola with the x-axis.

To find them, substitute y=0 and solve for "x":

$y=x^2-12x+12\\0=x^2-12x+12$

Use the Quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}\\\\x=\frac{-(-12)\±\sqrt{(-12)^2-4(1)(12)}}{2(1)}\\\\x_1=10.89\\\\x_2=1.10$

It has two points in common with the x-axis.

To find the vertex in relation to the x-axis, use the formula:

$x=\frac{-b}{2a}$

Substituting values, you get:

$x=\frac{-(-12)}{2(1)}\\x=6$

3 0

3 years ago

What is the slope of the line joining (-4,7) and (-5,0)?

Inga [223]

Answer:

slope = 7

Step-by-step explanation:

To calculate the slope m use the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 4, 7) and (x₂, y₂ ) = (- 5, 0)

m = $\frac{0-7}{-5+4}$ = $\frac{-7}{-1}$ = 7

6 0

3 years ago

Read 2 more answers

Plzzzzz help me i really need this!!!

Damm [24]

Answer:

2.7

Step-by-step explanation:

8 0

3 years ago

Select the function that represents the simple interest formula.

ehidna [41]

Answer:

Step-by-step explanation:

A P E X

5 0

3 years ago

Can a rectangle be a parallelogram

bonufazy [111]

A parallelogram is a quadrilateral with two pairs of opposite, equal in length and is parallel to one another.

A rectangle is a type of parallelogram.

So, yes, a rectangle is a parallelogram.

7 0

3 years ago