3 years ago

Which of the following is a quadratic?

Mathematics

1 answer:

irina1246 [14]3 years ago

6 0

Number 3 i would say i think it is

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A snorkeler dives for a shell on a reef. After entering the water, the diver descends 11/3 feet in one second. Write an equation

True [87]

x^2 -12x +11

We have the x intercepts so we can create the equation (x-1)(x-11). Multiply it and you get your answer

5 0

3 years ago

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Simplify:

liubo4ka [24]

Answer:

78.5÷3.14=25

56.272×41.2=2318.4064

429×338×712=103241424

447÷513=0.8713450292

Step-by-step explanation:

hope it will help!

8 0

3 years ago

Find the slope and y-intercept for the two linear functions. Linear Functions Identify the slope of the line given in the table:

Natalija [7]

ANSWER

See explanation

EXPLANATION

The table contains these two points (-4,-3) and (2,-4.5)

The slope of this line is given by;

$m = \frac{rise}{run}$

$m = \frac{ - 4.5 - - 3}{2 - - 4} = \frac{ - 1.5}{6}$

$m = - \frac{1}{4}$

The y-intercept can be obtained by finding the equation of the line in the form:

$y = mx + c$

We plug in the slope and the point (-4,-3) to find c.

This implies that,

$- 3 = - \frac{1}{4} \times - 4 + c$

$- 3 = 1 + c$

$c = - 3 - 1 = - 4$

Hence the y-intercept is -4.

The given line is

$y = \frac{3}{2} x + 1$

This is already in the slope intercept form:

The slope is

$m = \frac{3}{2}$

The y-intercept is c=1

5 0

3 years ago

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How do you solve <br> -32+2a=0

Semmy [17]

If you're solving for a, you would add 32 to both sides
2a=32
then you would divide by 2
a=16

6 0

3 years ago

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Can you add a negative and positive fraction or do you have to subtract it?

valina [46]

Answer:Yes I think you can,but I am not 100% sure.

Step-by-step explanation:

7 0

2 years ago