Review
Quadratic Functions
Word Problems
solving quadratic equations
imaginary numbers
100

15. solve for p

p=A/(1+rt)

100

25. determine which relation(s) are functions

1,2,4

100

38a how tall is the building?

38b max height?

40ft

140ft

100

36.g. x2+169=0

x=13i, -13i

100

42f. i54

-1

200

16. Write an equation for the line that passes through the point (-2,2) and has a slope 1/2 in all three forms

y-2=1/2(x+2)

y=(1/2)x+3

x-2y=-6

200

26. MC: which is the equation?

A

200

39a in words, explain what the value of 12 means

how much money Janet makes for each room sold
200

36.f. 10x2-15x=0

0, 3/2

200

42h. (4+i)+(5-9i)

9-8i

300

24. Find an equation of a line in standard form that passes through (1,-5) and is perpendicular to the line that passes through (2,-2) and (1,4)


point slope form!

y+5=(1/6)(x-1)

300

33. write the following in vertex form?

hint: h=-b/2a!

y=2(x+3)2-22

300

39b. in words, what does 230 mean in this equation?

the money she makes just for showing up to work

300

36.a. 3x2-20x=7

-1/3, 7

300

42b. (2+i)(4+i)

7+6i

400

23.b solve and graph. is it AND or OR?

x<11 AND x>-5

400

27. find the vertex, aos, max/min value, domain, range

(-1,4)

x=-1

y=4(

(-∞,∞)

(-∞,4)

400

41. find the length and width of the rectangle

l=6, w=4

400

36.e. 7(x-4)2-2=54

4±2√2

400

42.l. 15/-i√3

5i√3

500

18a. solve and check for extraneous solutions

x=1

x=-1 is extraneous

500

30. what is the quadratic function in standard form for this model?

y=-2x2+16x-25

500

40. find n

n=7

500

36.d. 3x2=5

±(√15)/3

500

42. j. (2-i)/(2+i) in standard form

3/5 - 4i/5

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