1.1 Coordinate Plan, Graphing, X/Y intercepts
Label the X- and Y-axis on a cartesian plane, and give an example of an ordered pair
X-axis (horizontal) and Y-axis (lateral)
(x,y)
Solve for X:
3x-2=4
x=2
What is i equal to?
i2?
i3?
i= square root -1
i2=-1
i3=-i
Using the square root property, if 5x2+45=0, what is x?
x=±3
If √(2x+7)=5, what is x?
x=9
If a boundary was included in a set, would the set builder notation use </> OR ≤/≥?
What about in interval notation, would parenthesis () or brackets [] be used?
≤/≥ and []
Draw a cartesian plane, and plot the points (-3,1) and (2,-5)
this website wont let me put a picture for an answer without paying $20 so just trust me 😔
Solve for X:
2(x+2)-3=3-4(x+2)
x=-1
If Z1=1+5i and Z2=4+2i
what is Z1+Z2?
5+7i
Using pythagoreans theorem, what is the hypotenuse of a triangle with side a=3 and side b=6
x=√45
Solve for x:
4x(8/3)-13=2
x=±(15/4)3/8
In interval notation, what is (-4,3]∪(-1,7)?
(-4,3]∩(-1,7)?
(-4,7)
(-1,3]
Using this equation: y=-2.5x+1, find y when x=-2
y=6
(-2,6)
Solve for X:
(4x/5)+(2x/3)=2
x=15/11
If Z1=2-7i and Z2=3+i
what is Z2-Z1
1+8i
By completing the square, solve for
x2-2x=35
x=-5,7
Solve for x:
|4x-16|=11+x
x=1, 9
Solve for x and write it in graphical notation and set builder
4x+6≥2
{x|x≥-1}
Using the equation: y=-2.5x+1
Graph the equation and give the x and y intercepts
X-intercept: (0.4,0) or 0.4
Y-intercept: (0,1) or 1
Solve for X
(4/x+2)=3
x=-2/3
If Z1=2-5i and Z2=4+3i
what is Z1*Z2?
23-14i
By completing the square, solve for x2-4x=2x+16
x=-2,8
Using substitution, solve for x:
x4-7x2+12=0
x=±√3
x=±2
Solve for x and write in graphical notation
|2x-15|< 9
3<x<12
Graph the equation y=-|x+4|-1
i cant put pictures just trust im right lol
Solve for X
(x/(2x+1))+(2/(2x+1))=3
x=-1/5
If Z1=1+3i and Z2=3-2i
what is Z1/Z2?
(-3/13)+(11/13)i
Using the quadratic formula, solve for x:
3x2-4x-15=0
x=-5/3, 3
Solve for x using substitution method:
x6/7-5x3/7-24=0
x=-37/3, 128
Solve for x
−12≤−4x+6<8
-1/2<x≤9/2