DE - Unit 1 Pt 1

P.4

100

Re-write using a rational exponent. 

root(11)(x^9)

x^(9/11)

200

Simplify. 

(root(8)(y^7))(root(5)(y^4))

y^(67/40)

300

Simplify.

sqrt((16u^9v)/(u^7v^5)

(4u)/v^2

400

sqrt(75)+sqrt(48)

9sqrt(3)

500

Simplify. 

sqrt(s/(5t)

sqrt(5st)/(5t)

1.1

100

Midpoint: (0, 10);  (6, 18)

(3, 9)

200

Distance: (0, 10);  (6, 18)

10

300

Midpoint: (4, -3);  (-5, 6)

(-0.5, 1.5)

400

Distance: (4, -3);  (-5, 6)

sqrt(162) or 9sqrt2

500

Simplify. 

1/c^(3/5)

c^(2/5)/c

1.2

100

Write the equation of a circle:

Center: (-2, -1)

Radius: 5

(x+ 2)² + (y+1)² = 25

200

Find the center: 

(x + 5)² + (y - 4)² = 16

(-5, 4)

300

Find the radius: 

(x + 5)² + (y - 4)² = 16

4

400

Find the equation of the circle: 

x² + y² - 4x - 4y = 8

(x - 2)² + (y - 2)² = 16

500

Find the slope of the equation: 

y = 5

0

1.3

100

Find the slope:

(2, -2) and (8, -1)

1/6

200

Write the equation: 

Through (7, 2); 

m = 3

y = 3x - 19

300

Write the equation:

Through (-1, -3) and (4, 2)

y = x - 2

400

Find the equation: 

Through (2, 5);

Perpendicular to y = -2x + 1

y = 1/2 x + 4

500

Find the slope of the equation: 

x = 3

Undefined