9th Math Factorisation 1 (2N)

Quiz

•

Mathematics

•

8th - 10th Grade

•

Practice Problem

•

Medium

Lester Orellana

Used 9+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

b² + 8b + 7

(b + 7) (b + 1)

(b - 7) (b + 1)

(b + 7) (b - 1)

(b - 7) (b - 1)

Answer explanation

ax² + bx + c
b² + 8b + 7 (a=1)
2 numbers added = b
7 + 1 = 7
Same numbers multiplied = c
7 * 1 = 7

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

b² - 8b + 7

(b + 7) (b + 1)

(b - 7) (b + 1)

(b + 7) (b - 1)

(b - 7) (b - 1)

Answer explanation

ax² + bx + c
b² - 8b + 7 (a = 1)
2 numbers added = b
-7 + -1 = -8
Same numbers multiplied = c
(-7) (-1) = +7

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

b² – 6b – 7

(b + 7) (b + 1)

(b - 7) (b + 1)

(b + 7) (b - 1)

(b - 7) (b - 1)

Answer explanation

ax² + bx + c
b² - 6b - 7 (a = 1)
2 numbers added = b
-7 + 1 = -6
Same numbers multiplied = c
(-7) (1) = –7

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

n² − 11n + 10

(b – 10) (b – 1)

(b + 10) (b – 1)

(b – 10) (b + 1)

(b + 10) (b + 1)

Answer explanation

ax2 + bx + c
n² − 11n + 10 (a = 1)
2 numbers added = b
-10 + -1 = -10
Same numbers multiplied = c
(-10) (-1) = +10

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

n² − 9n - 10

(b – 10) (b – 1)

(b + 10) (b – 1)

(b – 10) (b + 1)

(b + 10) (b + 1)

Answer explanation

ax2 + bx + c
n² − 9n - 10 (a = 1)
2 numbers added = b
-10 + 1 = -9
Same numbers multiplied = c
(-10) (1) = -10

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

n² + 9n - 10

(b – 10) (b – 1)

(b + 10) (b – 1)

(b – 10) (b + 1)

(b + 10) (b + 1)

Answer explanation

ax2 + bx + c
n² + 9n - 10 (a = 1)
2 numbers added = b
10 – 1 = +9
Same numbers multiplied = c
(10) (–1) = -10

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

n² + 4n - 12

(n – 2) (b + 6)

(n + 2) (n - 6)

(b – 3) (b + 4)

(b + 3) (b - 4)

Answer explanation

ax² + bx + c
n² + 4n - 12 (a = 1)
2 numbers added = b
6 – 2 = +4
Same numbers multiplied = c
(6) (–2) = -12

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9th Math Factorisation 1 (2N)

10 questions

b² + 8b + 7

ax² + bx + c
b² + 8b + 7 (a=1)
2 numbers added = b
7 + 1 = 7
Same numbers multiplied = c
7 * 1 = 7

b² - 8b + 7

ax² + bx + c
b² - 8b + 7 (a = 1)
2 numbers added = b
-7 + -1 = -8
Same numbers multiplied = c
(-7) (-1) = +7

b² – 6b – 7

ax² + bx + c
b² - 6b - 7 (a = 1)
2 numbers added = b
-7 + 1 = -6
Same numbers multiplied = c
(-7) (1) = –7

n² − 11n + 10

ax2 + bx + c
n² − 11n + 10 (a = 1)
2 numbers added = b
-10 + -1 = -10
Same numbers multiplied = c
(-10) (-1) = +10

n² − 9n - 10

ax2 + bx + c
n² − 9n - 10 (a = 1)
2 numbers added = b
-10 + 1 = -9
Same numbers multiplied = c
(-10) (1) = -10

n² + 9n - 10

ax2 + bx + c
n² + 9n - 10 (a = 1)
2 numbers added = b
10 – 1 = +9
Same numbers multiplied = c
(10) (–1) = -10

n² + 4n - 12

ax² + bx + c
n² + 4n - 12 (a = 1)
2 numbers added = b
6 – 2 = +4
Same numbers multiplied = c
(6) (–2) = -12

n² + n - 12

ax² + bx + c
n² + n - 12 (a = 1)
2 numbers added = b
-3 + 4 = +1
Same numbers multiplied = c
(-3) (4) = -12

n² - 4n - 12

ax² + bx + c
n² + n - 12 (a = 1)
2 numbers added = b
-6 + 2 = -4
Same numbers multiplied = c
(-6) (2) = -12

n² - 7n + 12

ax² + bx + c
n² - 7n + 12 (a = 1)
2 numbers added = b
-3 - 4 = -7
Same numbers multiplied = c
(-3) (-4) = +12

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9th Math Factorisation 1 (2N)

10 questions

b2 + 8b + 7

ax2 + bx + cb2 + 8b + 7 (a=1)2 numbers added = b7 + 1 = 7Same numbers multiplied = c7 * 1 = 7

b2 - 8b + 7

ax2 + bx + cb2 - 8b + 7 (a = 1)2 numbers added = b-7 + -1 = -8Same numbers multiplied = c(-7) (-1) = +7

b2 – 6b – 7

ax2 + bx + cb2 - 6b - 7 (a = 1)2 numbers added = b-7 + 1 = -6Same numbers multiplied = c(-7) (1) = –7

n2 − 11n + 10

ax2 + bx + cn2 − 11n + 10 (a = 1)2 numbers added = b-10 + -1 = -10Same numbers multiplied = c(-10) (-1) = +10

n2 − 9n - 10

ax2 + bx + cn2 − 9n - 10 (a = 1)2 numbers added = b-10 + 1 = -9Same numbers multiplied = c(-10) (1) = -10

n2 + 9n - 10

ax2 + bx + cn2 + 9n - 10 (a = 1)2 numbers added = b10 – 1 = +9Same numbers multiplied = c(10) (–1) = -10

n2 + 4n - 12

ax2 + bx + cn2 + 4n - 12 (a = 1)2 numbers added = b6 – 2 = +4Same numbers multiplied = c(6) (–2) = -12

n2 + n - 12

ax2 + bx + cn2 + n - 12 (a = 1)2 numbers added = b-3 + 4 = +1Same numbers multiplied = c(-3) (4) = -12

n2 - 4n - 12

ax2 + bx + cn2 + n - 12 (a = 1)2 numbers added = b-6 + 2 = -4Same numbers multiplied = c(-6) (2) = -12

n2 - 7n + 12

ax2 + bx + cn2 - 7n + 12 (a = 1)2 numbers added = b-3 - 4 = -7Same numbers multiplied = c(-3) (-4) = +12

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b² + 8b + 7

ax² + bx + c
b² + 8b + 7 (a=1)
2 numbers added = b
7 + 1 = 7
Same numbers multiplied = c
7 * 1 = 7

b² - 8b + 7

ax² + bx + c
b² - 8b + 7 (a = 1)
2 numbers added = b
-7 + -1 = -8
Same numbers multiplied = c
(-7) (-1) = +7

b² – 6b – 7

ax² + bx + c
b² - 6b - 7 (a = 1)
2 numbers added = b
-7 + 1 = -6
Same numbers multiplied = c
(-7) (1) = –7

n² − 11n + 10

ax2 + bx + c
n² − 11n + 10 (a = 1)
2 numbers added = b
-10 + -1 = -10
Same numbers multiplied = c
(-10) (-1) = +10

n² − 9n - 10

ax2 + bx + c
n² − 9n - 10 (a = 1)
2 numbers added = b
-10 + 1 = -9
Same numbers multiplied = c
(-10) (1) = -10

n² + 9n - 10

ax2 + bx + c
n² + 9n - 10 (a = 1)
2 numbers added = b
10 – 1 = +9
Same numbers multiplied = c
(10) (–1) = -10

n² + 4n - 12

ax² + bx + c
n² + 4n - 12 (a = 1)
2 numbers added = b
6 – 2 = +4
Same numbers multiplied = c
(6) (–2) = -12

n² + n - 12

ax² + bx + c
n² + n - 12 (a = 1)
2 numbers added = b
-3 + 4 = +1
Same numbers multiplied = c
(-3) (4) = -12

n² - 4n - 12

ax² + bx + c
n² + n - 12 (a = 1)
2 numbers added = b
-6 + 2 = -4
Same numbers multiplied = c
(-6) (2) = -12

n² - 7n + 12

ax² + bx + c
n² - 7n + 12 (a = 1)
2 numbers added = b
-3 - 4 = -7
Same numbers multiplied = c
(-3) (-4) = +12