Extension Quiz 2

• 2

• 3

• 4

• 1/4

• 8

Answer explanation

b2 = 4ac

• x = 3, 5

• x = -3, -5

• x = 9, 25

• x = -9, 25

Find the quadratic equation whose roots are -3/4 and 4/3.

• 1/3

• 2/3

• -1/3

• 3/2

• -5/2

• -2/3

• 1/2

• 5/2

Given that the vector 3i -2j and 4i + pj are parallel, find the constant P.

• -6

• -8/3

• -3/8

• 1/6

Answer explanation

For parallel vectors, A X B = 0

• (i - j)

Answer explanation

two vectors are parallel if and only if a scalar t, such that a = tb