1. Multiply out the following:
(a + 9)(a + 7)
а) a2
+ 16a + 63;
b) a2
+ 2a
+ 63;
c) 2a2
+ 16a + 63;
d) a2
+ 16a + 61.
2. Multiply out the following:
(f + 4)(f + 8)
а)
2f2
+ 12f + 32;
b) f2
+ 12f + 12;
c) f2
+ 4f
+ 32;
d) f2
+ 12f + 32.
3. Multiply out the following:
(y + 6)(y + 8)
а) y2 + 14y + 42;
b) y2
+ 4y + 48;
c) y2
+ 14y + 48;
d) 2y2
+ 14y + 48.
4. Expand
(x + 3)(x + 3)
а) x2
+ 9x
+ 6;
b) x2
+ 6x + 9;
c) x2
+ 9x
+ 9;
d) 2x2
+ 6x + 9.
5. Expand
(x + 3)2
а) 2x2 + 6x + 9;
b) x2
+ 9x
+ 9;
c) x2
+ 6x + 9;
d) x2
+ 6x + 6.
6. Expand
(x + 5)2
а) x2
+ 10x + 25;
b) x2
+ 10x + 15;
c) x2
+ 25x + 25;
d) 2x2
+ 10x + 25.
7. Expand
(m + 3)(m – 1)
а) m2 – 2m – 3;
b) 2m2 + 2m – 3;
c) m2 + 2m + 3;
d) m2 + 2m – 3.
8. Expand
(n – 5)(n + 2)
а) n2
– 3x + 10;
b) n2
– 3x – 10;
c) n2
+ 3x + 10;
d) n2
+ 3x – 10.
9. Expand
(b – 8)(b + 3)
а) b2
– 5b – 24;
b) b2
+ 5b + 24;
c) b2
– 5b + 24;
d) b2
+ 5b – 24.
10. Expand
(x – 6)(x + 8)
а) 2x2
+ 2x – 48;
b) x2
+ 14x – 48;
c) x2
+ 2x – 48;
d) x2
+ 2x – 49.
11. Expand
(c – 8)(c – 3)
а) c2 – 5c + 24;
b) c2 – 11c + 26;
c) c2 – 11c – 24;
d) c2 – 11c + 24.
12. Expand
(q – 2)(q – 7)
а) q2
– 5x
+ 14;
b) q2
– 9x + 14;
c) q2
+ 9x + 14;
d) q2
– 9x – 14.
Комментариев нет:
Отправить комментарий