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3 years ago

Select all of the following that are quadratic equations.

2 answers:

5 0

We know, Form of Quadratic Equation is: ax² + bx + c = 0

So,Quadratic Equations would be:
[ After Simplification ] :

A.) x² - 6x - 1 = 0

D.) 2x² + 12x + 0 = 0

F.) 9x² + 6x - 3 = 0

Hope this helps!

taurus [48]3 years ago

4 0

A,d,f!!!!!!++!!!+!!!!!!

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PLEASE HELP ASAP ASAP URGENT WILL GIVE BRAINLIEST

Luden [163]

Answer:

for the solve and check:

$2\frac{3}{8}+x=3\frac{1}{4} \\2\frac{3}{8}-2\frac{3}{8}+x=3\frac{1}{4}-2\frac{3}{8}\\\\x=3\frac{1}{4}-2\frac{3}{8}\\\\\\x=\frac{7}{8}$

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$3\frac{3}{8}+x=4\frac{1}{4} \\3\frac{3}{8}-3\frac{3}{8}+x=4\frac{1}{4}-3\frac{3}{8}\\\\x=4\frac{1}{4}-3\frac{3}{8}\\\\\\x=\frac{7}{8}$

for the second solve and check:

$4\frac{3}{8}+x=5\frac{1}{4} \\4\frac{3}{8}-4\frac{3}{8}+x=5\frac{1}{4}-4\frac{3}{8}\\\\x=5\frac{1}{4}-4\frac{3}{8}\\\\\\x=\frac{7}{8}$

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$5\frac{3}{8}+x=6\frac{1}{4} \\5\frac{3}{8}-5\frac{3}{8}+x=6\frac{1}{4}-5\frac{3}{8}\\\\x=6\frac{1}{4}-5\frac{3}{8}\\\\\\x=\frac{7}{8}$

8 0

2 years ago

Read 2 more answers

Which pairs of rectangles are similar? Explain how you know.

Gennadij [26K]

Answer:

J&L M&N

Step-by-step explanation:

These pairs of rectangles are similar because they all have fours sides, the horizontal lines are longer than the parallel lines, and they are all parallelograms

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3 years ago

What is the intermediate step in the form (x+a)^2=b as a result of completing the following equation? Please help.

aksik [14]

Answer:

(x+8) ^2=64

Step-by-step explanation:

that will give you your two solutions: x= -16 and x=0. I hope this helps!!!

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3 years ago

The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter

inn [45]

Answer:

60ft

Step-by-step explanation:

I have not done this kind of work in a while but if you scale each side of the square by 6 is should increase to a perimeter of 60ft

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3 years ago

Jackie’s report is 5 pages longer than half the number of pages in Kane’s report. There are 14 pages in Kane’s report.

olga_2 [115]

Answer:

Step-by-step explanation:

If Jackie's report is longer than half kane's report, then

Jackie report=1/2 kane's report +5

1/2(14) +5

7+5

=12

therefore, Jackie's report =12

pls mark brainliest

5 0

2 years ago