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9. Negative Numbers
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Q2 of 34 Page 178

In each of the following equations, take x as the given numbers and compute the numbers y.

y = x2 + 3x + 2, x = –2

y = x2 + 3x + 2, x = –2

Putting y = -2,


Y = (-2)2 + 3×(-2) + 2


= 4-6 + 2


= 0


More from this chapter

All 34 →
1

Take various positive and negative numbers as x, y, z and compute (x + y)z and xz + yz. Check whether the equation (x + y)z = xz + yz holds for all these.

2

In each of the following equations, take x as the given numbers and compute the numbers y.

y = x2, x = –5, x = 5

2

In each of the following equations, take x as the given numbers and compute the numbers y.

y = x2 + 5x + 4, x = –2, x = –3

2

In each of the following equations, take x as the given numbers and compute the numbers y.

y = x3 + 1, x = –1

Questions · 34
9. Negative Numbers
1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 1 2 1 2 2 2 2 2 3 4 1 2 3 3 3 3 3
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