Precalculus Class 3 Monthly Test Review

indices

10

3(q³)²

3q⁶

20

p⁵/p³

p²

30

x⁸ * x¹²

x²⁰

40

(2g⁴)³

8g¹²

50

3a²(3a²)²

27a⁶

Substitution

10

y = 2

3x + 2y = 10

(2, 2)

20

x = −3y + 2

−x + 2y = 3

(−1, 1)

30

x − 2y = −10

3x = y

(2, 6)

40

2x – 3y = –2

y = −4x + 24

(5, 4)

50

5x − 13 = y

−5x + y = 24

no solution

Elimination

10

x + 3y = 5

2x − 3y = −8

(−1, 2)

20

−5y + 8x = −18

5y + 2x = 58

(4, 10)

30

3y − 5x = −26

−2y − 5x = −16

(4, −2)

40

3x − 4y = 8

18x − 5y = 10

(0, -2)

50

4x−9y = 2

12x−5y = −38

(-4, -2)

Solving Inequalities

10

7x+3<2x-19

x<4.4

20

2(x-1)<5(x+2)

x>-4

30

x<2x+1<7

-1<x<3

40

list the integers in the solution set -3<x<4

-2,-1,0,1,2,3

50

list the integers which satisfy both these inequalities simultaneously.

-3.5<x<3 and 4x+1<=x+2

-3,-2,-1,0

Math Terms

10

an expression containing one or more of the symbols <, >, <=, or >=

inequality 

20

the small number written to the right and above another number

power/index

30

a straight line passing through the centre of a circle and joining two points that lie on the circle; a chord that passes through the centre of a circle

diameter

40

the total distance around a circle

circumference

50

the longest side of a right-angled triangle; it is the side opposite the right angle

hypotenuse