Systems of Equations
The two methods of solving a system of equations algebraically.
What is 'elimination' and 'substitution'?
The equation of a line in slope intercept form.
What is 'y=mx+b'?
The simplified expression of x2x4
What is 'x6'?
True/False: 0 is a solution to 2y + 1 < -3
What is false?
Evaluate 4[(3 + 2 * 3) - 5] + 7
What is 23?
The solution to the system:
x=4,
6x-3y=30
What is 'x=4','y=-2'?
The slope between the points (-3,5) and (1,-1)
What is 'm=-3/2'?
The simplified expression of (x5y7)/(xy2)
What is 'x4y5'?
The solution to (1/2)x<4.
What is 'x<8'?
The solution to (5.5 x 106)(4.8 x 10-2)
What is '2.64 x 105'?
A shopper bought 6 shirts and 8 hats for $700. A week later, at the same prices, he bought 9 shirts and 6 hats for $660. What was the cost of one shirt?
What is $30?
The equation of a line in slope-intercept form passing through the point (-6,2) with a slope of -1/2.
What is 'y=(-1/2)x-1'?
The simplified expression of (x2y8z-1)(x-2y-3z)
What is 'y5'?
The solution to 3(2n + 1) > 9
What is 'n>1'?
The equation of the line parallel to y=-2/3x+4 and passing through (-2,4).
What is 'y=(-2/3)x+8/3'?
The solution to the system
2a - 4b = 12
-8a + 16b = -48
What is all real numbers?
The equation of a line in point-slope form passing through the points (1,1) and (2,6).
What is 'y-1=5(x-1)' OR 'y-6=5(x-2)'?
The solution to the equation 23x+25=2-2
Tori wants to collect over 100 seashells. She already has 34 seashells in her collection. Each day, she finds 12 more seashells on the beach.
Write an inequality to determine the number of days, d, it will take Tori to collect over 100 seashells.
What is '34+12d>100'?
The inverse of the function y=(4/3)x+16
What is 'y=(3/4)-12'?
The solution to the system:
(1/3)x + 4y = 0
(3/2)x +8y = 13
What is 'x=6','y=1/2'?
Kim and Cyndi are starting a business tutoring students in math. They rent an office for $400 per month and charge $40 per hour per student. If they have 15 students each for one hour per week how much profit do they make together in a month?(assume 4 weeks per month)
What is $4400?
The simplified expression of ((a4b-2c5)/(a1/2b5c-3))4
What is (a14c32)/b28
The solution to (1/2)<4x+12<18
What is '(-23/8)<x<(3/2)'?
Give an example of a situation representing a positive correlation and a situation representing negative correlation.
What is 'the more time you exercise the more calories you will burn' and 'the more coffee someone drinks, the less they will sleep'?