💥 Q 64: Prep 3 Algebra Question Bank T1

a) The third proportional of the two numbers 9 and -12 is ..........

(a) -16

(b) 8

(c) 16

(d) 108

b) The middle proportional between a and c is ..........

(a) \( \sqrt{a + c} \)

(b) \( \frac{a + c}{2} \)

(c) \( \pm \sqrt{a c} \)

(d) \( a c \)

Correct answers:
a) (c) 16
b) (c) \( \pm \sqrt{a c} \)

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