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AveGali [126]
3 years ago
7

Divide Using Synthetic Division: (4x2 - 24x + 35) / (2x - 5)

Mathematics
1 answer:
Flauer [41]3 years ago
3 0

Answer:

2x-7

Step-by-step explanation:

1) you can recheck by using foil

(2x-5)(2x-7)

4x^2-14x-10x+35

4x^2-24x+35

hope this helps!

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Write the equation of the parabola below
lorasvet [3.4K]
Answer:
Equation is: y = 0.5x² + 0.5x - 3

Explanation:
general form of the parabola is:
y = ax² + bx + c

Now, we will need to solve for a, b and c.
To do this, we will simply get points from the graph, substitute in the general equation and solve for the missing coefficients.

First point that we will use is (0,-3). 
y = y = ax² + bx + c
-3 = a(0)² + b(0) + c
c = -3

The equation now becomes:
y = ax² + bx - 3

The second point that we will use is (2,0):
y = ax² + bx - 3
0 = a(2)² + b(2) - 3
0 = 4a + 2b -3
4a + 2b = 3
This means that:
2b = 3 - 4a
b = 1.5 - 2a ...........> I

The third point that we will use is (-3,0):
y = ax² + bx - 3
0 = a(-3)² + b(-3) - 3
0 = 9a - 3b - 3
9a - 3b = 3 ...........> II

Substitute with I in II and solve for a as follows:
9a - 3b = 3
9a - 3(1.5 - 2a) = 3
9a - 4.5 + 6a = 3
15a = 7.5
a = 7.5 / 15
a = 0.5

Substitute with the value of a in equation I to get b as follows:
b = 1.5 - 2a 
b = 1.5 - 2(0.5)
b = 0.5

Substitute with a and b in the equation as follows:
y = 0.5x² + 0.5x - 3

Hope this helps :)
7 0
3 years ago
Simplify expression <br><br><br>A.
MA_775_DIABLO [31]
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PLEASE HELP!Find the slope of the line on the graph.
GrogVix [38]

Answer:

3/1 or 3

Step-by-step explanation:

It rises up three and to the side one

3 0
2 years ago
Read 2 more answers
EASY 6TH GRADER MATH
Rudik [331]

Answer:

27

Step-by-step explanation:

She is wrong the answer is 27, all you have to do is multiply the number by the percentage as a decimal (.45)

8 0
2 years ago
If eggs cost $3 per dozen, how much would 8 eggs cost?
ASHA 777 [7]

Answer:

$2

Step-by-step explanation:

Because 3/12 is 0.25 and then you multiply it by 8 to get 2.

7 0
2 years ago
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