Estimating Square Roots
Systems of Equations
Systems word problems
Point-Slope and Slope Intercept
100

The Square root of 15

What is 3.8 or 3.9

100

The difference in two numbers is 48. The larger number is twelve more than twice the smaller number. Find the numbers.

What is 84 and 36

100

Write the equation of a line in Point-slope form and Slope-intercept form that goes through the points (4, −1) 𝑎𝑛𝑑 (2, 3).

y+1=-2(x-4)

y=-2+7

200

The square root of 7

What is 2.6

200

The base charge of a cab in New York is $2.50 as soon as you enter the cab. There is an additional charge of $2.50 per mile traveled. Calculate how many miles you can travel on $20 without giving any tip.

7

200

Write the Point-slope and Slope-intercept form of an equation that goes through the point (2, −3) and has a slope of 1 3 .

-1/2

1/2

300

The square root of 63

What is 7.9 or 7.8

400

The square root of 59

What is 7.6 or 7.7

400

Elimination

x+6y=-19

-2x+2y=10

(-7,-2)

500

The square of 31

What is 5.5 or 5.6

500

Solve by Substitution

y=-5x-16

y=-7x-24

(-4,4)

500

A soccer coach bought her team some Gatorade bottles after the game. She bought large bottles for $3.50 and small bottles for $2.25. She bought 10 bottles and paid $32.50 total. How many large bottles did she buy? How many small bottles did she buy?

8 large and 2 small