midterm 8th grade

Vocab

100

Y-Intercept 

Vertical line of a coordinate plane, below 0 is negative above 0 is positive

200

X intercept 

Horizontal line of a coordinate plane, left of 0 is negative right of 0 is positive

300

Significant Digit 

Digit in a measurement that carries a meaning in terms of precision of the measurement

400

Accuracy 

The closeness of a measure value to the actual value

500

Precision 

Level of detail of a measurement, determined by the smallest unit or fraction of a unit that can be reasonable measured

Significant digits

100

0.53

2

200

20.53

4

300

0.7234500

7

400

2,002,000

4

500

0.0023004

5

Solve and/or

100

x+5>8 and 5x<60

x>3 and x<12

200

4x+<16 or x>2

x<4 or x>2

300

-4x<16 or 5x-33>2

x>-4 or x>7

400

x+5<17 or 3x>33

x<12 or x>11

500

4x-8<16 or x+5>2

x<6 or x>-3

Simplify expression

100

4(5x-1)+3

20x-1

200

-3(12x)+8

-36x+8

300

18x+3+2x+3

20x+6

400

7x+3y+7x+y  

14x+4y

500

5(2x+3y)+6x+12y

16x+27y

Literal Equations

100

Define Literal Equation 

Is an equation which constants have been replaced by letters

200

a+x=d

x=d-a

300

x/a=d

x=DA

400

y=mx+b

x=y-b/m

500

2x+2w=p

X=p-2w/2