Algebra 1 final 2k18

Solving Equations

100

4x+7=2x+1

x=−3

200

2x + 3(x−3) = 6

x=3

300

2x - 10 = 10 - 3x

x = 4

400

4x + 7 = 18 + 3x

x = 11

500

5 x - 6 = 3 x - 8

x  = - 1

Quadratic equations

100

x²-20x+49

-2

200

x²=21

(4.582, -4.582)

300

-7n² = -448

(8,-8)

400

x³- 3x² + 5x - 15

(x2 + 5)(x - 3)

500

2x³ - 16x² - 18x

2x(x - 9)(x + 1)

Linear equations slope

100

(4,0) and (-4,2)

Undefined!

200

(0,9) and (1,11)

2

300

(-2,-3) and (-1,6)

3

400

(3,4) and (5,5)

1/2

500

(-3,-1) and (5,6)

7/8

Multiplying polynomials

100

6v(2v+3)

12v² +18v

200

7(-5v-8)

-35v - 56

300

(x-3)(6x-2)

6x² - 20x +6

400

(6p+8)(5p-8)

30p² -8p - 64

500

(8p-2)(6p+2)

48p² +4p - 4

Exponents

100

What is an exponent?

The base a raised to the power of n is equal to the multiplication of a, n times:

a n =      a × a × ... × a

200

3²

3*3=9

300

3⁵

3 × 3 × 3 × 3 × 3 = 243

400

350⁵

350*350*350*350*350= 5,252,187,500,000

500

245⁵

245*245*245*245*245= 882,735,153,125