Q: Is y equals 5x2 plus 2 a linear equation?

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X= (3/5 , -2)

The discriminant is 385.

Yes

Sure. It requires only the most basic algebraic manipulation of equalities.x2 + 6 = -4x2 + 2Add 4x2 to each side:5x2 + 6 = 2Subtract 2 from each side:5x2 + 4 = 0ax2 + bx + c = 0a = 5b = 0c = 4

If 5x plus 3y equals 13, the x equals 2 and y equals 1. This is because 5x2=10 and 3x1=3, and 10+3=13.

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No.

X= (3/5 , -2)

x = 2 or x = 2/5

5x2 - 136 = 44 5x2 - 136 + 136 = 44 + 136 5x2 = 180 5x2/5 = 180/5 x2 = 36 âˆšx2 = âˆš36 x = Â±6

5x2-136 = 24 5x2 = 24+136 5x2 = 160 x2 = 32 x = the square root of 32

The discriminant is 385.

It is: (5x-1)(x-1) = 0 Therefore: x = 1/5 or x = 1 Use the quadratic equation formula

There is no single coefficient for that equation, as a coefficient is the number by which any term is multiplied. The coefficients in that equation are 5, 2, 4 and 3.

Yes

x = -6 or 65x2 - 136 = 445x2 = 180x2 = 36

If 5x plus 3y equals 13, the x equals 2 and y equals 1. This is because 5x2=10 and 3x1=3, and 10+3=13.

Sure. It requires only the most basic algebraic manipulation of equalities.x2 + 6 = -4x2 + 2Add 4x2 to each side:5x2 + 6 = 2Subtract 2 from each side:5x2 + 4 = 0ax2 + bx + c = 0a = 5b = 0c = 4