HA1 Fall Break E.C.

Ch 1

100

Evaluate (no calc): 

2-4(3^2-12div2)

-10

200

Evaluate (no calc):

(4x(y+1))/(3-z); x=2, y=-3, z=-5

-2

300

How many significant digits?

0.04030

4

400

Write an algebraic expression for the following:

"The quotient of 6 and a number x, plus 7 is at least the difference of 12 and a number y."

6/x+7>=12-y

500

Mr. K opens up a bag of peanut M&M's (the best kind) and starts eating them. Interpret both the slope and y-intercept of the model shown:

M(t)=75-6t

Answers vary.

Ch 2

100

Classify each number (rational, integer, etc.)

-sqrt25, 4.25, sqrt30, 10/2

Integer, rational, irrational, whole

200

Solve the equation shown for x.

2x+y=3z

x=(3z-y)/2

300

Solve the equation shown for a.

(a^2-3b)/2=4

a=sqrt(8+3b

400

Solve:

(x-2)/(3x+4)=3/8

x=-28

500

Solve: 

2/5x-3(x+1/2)=2(3-x)

x=-25/2

Ch 3

100

Sketch a graph: 

y=-3/4x+1

Graphs vary.

200

Sketch a graph: 

3x-y=6

Graphs vary.

300

Write the direct variation equation for a graph that goes through 

(-2,-7)

y=7/2x

400

Solve for the indicated variable to satisfy the slope.

(3,-2), (-1,y); m=-5/2

y=8

500

At a parking garage, the cost over time (in hours) is given by the model shown. Interpret the slope of the model.

C(t)=5+8.5t

Answers vary.

Mr. K

100

Mr. K's homeroom is what grade?

Freshman

200

This is Mr. K's _____ year at Illiana.

Fourth

300

Mr. K's son's name is...?

Graham

400

Mr. K is ____ years old.

28

500

Mr. K has slept overnight in what restaurant's parking lot?

Chick-Fil-A