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hram777 [196]
3 years ago
14

Due now please help!

Mathematics
2 answers:
ivolga24 [154]3 years ago
8 0
I go with he said 5 I’m sure of.
Inga [223]3 years ago
6 0
.5 maybe if Im correct
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can someone explain it to me, i don't need the answer, i just need an detailed explanation of how they got the answer using the
zubka84 [21]

Answer:

Step-by-step explanation:

Good idea to review quadratic functions and the quadratic formula.

Quadratics have three coefficients:  ax² + bx + c, and the "discriminant" is defined as b²-4ac.  Please review these rules:

1) if the discriminant is +, the quadratic equation has two real, unequal roots.

2) if the disc. is 0, the equation has two real, equal root.

3) If the disc. is - , the equation has two complex roots.

Here a = 1, b  = -3 and c = 4.  Therefore the discriminant is (-3)²-4(1)(4), or

-7.  Rule 3) applies:  the equation has two complex roots, but no real ones.  Thus we know that the graph does not cross the x-axis.

Graphing the given quadratic, x² - 3x + 4, using a dashed "line," is helpful.  As you can see in the illustration of this graph, the graph neither touches nor crosses the x-axis.  Thus, y = x² - 3x + 4 is greater than 0 for all x.  The answer:  All real numbers.

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3 years ago
Find the zeros of Cubic Polynomial and verify that the relationship between the zeros and the coefficients.
bezimeni [28]

\bf \large \: Hope \:  It  \: Helps \:  You!

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HELP! last one of the day!
quester [9]
The bisector of the angle at A (call it AQ) divides the segment BC into segments BQ:QC having the ratio AB:AC. Use this fact to find x.

.. 9:15 = (2x -1):3x
.. 15(2x -1) = 9*3x . . . . . the product of the means equals the product of extremes
.. 30x -15 = 27x
.. 3x = 15
.. x = 5

___
According to the value of x, the bisector AQ divides the triangle into two isosceles triangles: ABQ, ACQ.
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3 years ago
5 3/5 divide 2 2/3 answer in simplest form
omeli [17]

Answer:

1 \frac{2}{5}

Step-by-step explanation:

= 5\frac{3}{5} / 2 \frac{2}{3}

= \frac{28}{5} / \frac{8}{2}

= \frac{28}{5} * \frac{2}{8}

= \frac{7}{5}

= 1 \frac{2}{5}

6 0
3 years ago
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