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icang [17]
3 years ago
11

Rewrite the given equation in standard form. f(x) = 5x2

Mathematics
1 answer:
pickupchik [31]3 years ago
6 0

Answer:

a = 5, b = -3 and c =1

Step-by-step explanation:

The standard form of a quadratic equation is expressed as;

f(x) = ax² + bx + c

Given the expression

f(x) = 5x² = 3x - 1

f(x) =  5x² - 3x + 1

Comparing with the general formula;

ax² = 5x²

a = 5

bx = -3x

b = -3

c = 1

Hence a = 5, b = -3 and c =1

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Keaton's dinner bill at a local restaurant before tax and tip was $25.85 if he wants to leave 15% of the bill for tip and there'
Ksju [112]
Bill = $25.85

Tips = 15% x $25.85 = $3.88

Tax = 6.25% x $25.85 = $1.62

Total amount = $25.85 + $3.88 + $1.62 = $31.35

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Answer: He will spend $31.35 in total.
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8 0
4 years ago
What is the standard form of the equation of a line for which the length of the normal segment to the origin is 8 and the normal
jeka57 [31]
Slope of line = tan(120) = -tan(60) = - √3
Distance from origin = 8

Let equation be Ax+By+C=0
then -A/B=-√3, or
B=A/√3.
Equation becomes
Ax+(A/√3)y+C=0

Knowing that line is 8 units from origin, apply distance formula
8=abs((Ax+(A/√3)y+C)/sqrt(A^2+(A/√3)^2))
Substitute coordinates of origin (x,y)=(0,0)  =>
8=abs(C/sqrt(A^2+A^2/3))
Let A=1 (or any other arbitrary finite value)
solve for positive solution of C
8=C/√(4/3) => C=8*2/√3 = (16/3)√3

Therefore one solution is
x+(1/√3)+(16/3)√3=0
or equivalently
√3 x + y + 16 = 0

Check:
slope = -1/√3  .....ok
distance from origin
= (√3 * 0 + 0 + 16)/(sqrt(√3)^2+1^2)
=16/2
=8  ok.

Similarly C=-16 will satisfy the given conditions.

Answer  The required equations are
√3 x + y = ± 16 
in standard form.

You can conveniently convert to point-slope form if you wish.




4 0
3 years ago
Which of the following are true for the conditional statement p → q ? Select all that apply.
Lostsunrise [7]
If p then q. P, therefore q.
5 0
3 years ago
The second statement is the ____ of the first.
iren [92.7K]

Answer:

A. Converse

Step-by-step explanation:

The statement x=y and y=z is a

converse relation

In logic, there are different types of relation which includes

1. Inverse

2. Contrapositive inverse

3.converse

The converse is created by switching the hypothesis and conclusion just like the example given.

7 0
3 years ago
Read 2 more answers
I need help ASAP!!! Please help me!! I will mark brainliest if so
Sladkaya [172]

Answer:

The equation the 16 x 6 = 96

and she would have 6 bags of dog treats

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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