3 years ago

Is the equation y=-2x+5 in standard form? Explain

1 answer:

7 0

The equation, y = -2x + 5, is not in standard form. The standard form of a linear line is ax + by = c. This equation is in slope - intercept form, which is y = mx + b.

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Use the quadratic formula to determine the exact solutions to the equation.

Ilia_Sergeevich [38]

ANSWER

$x = \frac{5}{4} - \frac{ \sqrt{ 17} }{4}$

$x = \frac{5}{4} + \frac{ \sqrt{ 17} }{4}$

EXPLANATION

The given equation is:

$2 {x}^{2} - 5x + 1= 0$

Comparing this to

$a {x}^{2} + bx + c = 0$

we have a=2, b=-5, c=1

The quadratic formula is given by

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}$

We substitute the values to get,

$x = \frac{ - - 5 \pm \sqrt{ {( - 5)}^{2} - 4(1)(2)} }{2(2)}$

$x = \frac{ 5 \pm \sqrt{ 17} }{4}$

$x = \frac{5}{4} - \frac{ \sqrt{ 17} }{4}$

$x = \frac{5}{4} + \frac{ \sqrt{ 17} }{4}$

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4 years ago

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3 years ago

Determine whether each decimal is terminating or repeating

Sindrei [870]

Answer:

Step-by-step explanation:

5 - terminating

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4 years ago

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Answer:

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these are in order from least to greatest

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Read 2 more answers

Answer correctly please

Veseljchak [2.6K]

Answer:

False

Step-by-step explanation:

In a Randomized Block Experiment, all of the treatments are applied to each block.

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