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2 years ago

Based on the family the graph below belongs to, which equation could represent the graph ?

Mathematics

1 answer:

victus00 [196]2 years ago

8 0

Firstly this looks like translated log function graph

y=logx

log1=0

As per graph the graph is pulled some inwards y axis but little bit

y=log2x

Usually log x leaves y axis at -1 but here it leaves at +2

y axis is moved upwards (+3)

Last function

y=log(2x)+3

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the zero of the quadratic polynomial x^2+99x+127 are a both positive b both negative c one +ve one-ve d both equal. please help

Paha777 [63]

Step-by-step explanation:

By Descrates' Rule of Signs,

x² + 99x + 127 changes sign 0 times.

Hence it has 0 positive roots.

Since the discriminant b² - 4ac is also positive, there are 2 real distinct roots.

Hence both the roots are negative. (B)

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3 years ago

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Vinvika [58]

Answer: 33

Step-by-step explanation:

Input the numbers into the variables.
7(2) + 3 + 16

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3 years ago

Solve the system of linear equations using elimination.<br> -5x + 3y = -19<br> -x – 3y = -11

coldgirl [10]

3z=5.-x3y-z=-3.2x=6 there you go

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3 years ago

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What is the equation in slope intercept form of the perpendicular bisector of the given line segment?

andreev551 [17]

Answer:

y = -4x - 6

Step-by-step explanation:

The equation of a line in point-slope form.

$y - y_1 = m(x - x_1)$

is the equation of the line containing point (x1, y1) and having slope, m.

The given point of the perpendicular bisector is (-1, -2), so in this case, x1 = -1, and y1 = -2.

We need the slope of the perpendicular bisector. First we find the slope of the segment. We start at point (-5, -3). We go up 1 unit and 4 units to the right, and we are at another point on the segment. Since slope = rise/run, the slope of the segment is 1/4. The slopes of perpendicular lines are negative reciprocals, so the slope of the perpendicular bisector is the negative reciprocal of 1/4, so for the perpendicular bisector, m = -4.

Now we use the equation above and our values.

$y - y_1 = m(x - x_1)$

$y - (-2) = -4(x - (-1))$

$y + 2 = -4(x + 1)$

$y + 2 = -4x - 4$

$y = -4x - 6$

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4 years ago