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scoundrel [369]
3 years ago
15

Use the quadratic formula to find the solutions to the equation.

Mathematics
1 answer:
Natali [406]3 years ago
3 0

Answer: x= 1/2

Step-by-step explanation:

simplify x-3x+1 to -2x+1

-2x+1=0

subtract 1 from both sides

-2x=-1

divide both sides by -2

x= -1/-2

two negatives make a positive

x= 1/2

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Evaluate A 2-B 2 for A = 3 and B = -4.<br><br> -7<br> -2<br> 25
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A^2-B^2
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Q1<br><br> (b) Factorise<br> x2 – 36<br> (1 mark)
loris [4]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
What is the value of y in the solution to the system of equations?
Vadim26 [7]

Keywords

system of equations, linear equation, elimination method

we have

\frac{1}{3}x+ \frac{1}{4}y=1

Multiply by 12 both sides

4x+3y=12 -----> <u>linear equation</u> A

2x-3y=-30 -----> <u>linear equation</u> B

Applying the <u>elimination method</u> for solve the <u>system of equations</u>

Adds equation A and equation B

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Find the value of y

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therefore

the answer is the option D

8


5 0
3 years ago
Read 2 more answers
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