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katen-ka-za [31]
3 years ago
7

in question 9-12,determine if the equation of the line is in point-slope form or slope-intercept form and determine the slope of

the line

Mathematics
1 answer:
rusak2 [61]3 years ago
4 0
9 and 12 are slope-intercept form and 10 and 11 are point-slope form
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Factorize using identities (i) 1-64x³+48x²-12x
enot [183]

Answer:

(1 - 4x)³

Step-by-step explanation:

The first 2 terms are a difference of cubes and factor in general as

a³ - b³ = (a - b)(a² + ab + b²), thus

1 - 64x³

= 1³ - (4x)³

= (1 - 4x)(1 + 4x + 16x²)

Thus

1 - 64x³ + 48x² - 12x ← factor out 12x from each of the 2 terms

= (1 - 4x)(1 + 4x + 16x²) + 12x(4x - 1) ← factor out - 1 from (4x - 1)

= (1 - 4x)(1 + 4x + 16x²) - 12x(1 - 4x) ← factor out (1 - 4x) from the terms

= (1 - 4x)(1 + 4x + 16x² - 12x)

= (1 - 4x)(1 - 8x + 16x²) ← perfect square

= (1 - 4x)(1 - 4x)²

= (1 - 4x)³  ← in factored form

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Mark has fourteen dollars and Dan has sixteen dollars. They both have spent five dollars at the mall. Mark still has less money
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In January Keontre was 48 5/8 inches tall. By august he was 51 1/3 inches tall. How many inches did he grow from January to Augu
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The second and the third one

Step-by-step explanation:

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