System of equations - high school - practice problems
Number of problems found: 876
- Three equations
Find the solution to the equations x-y+z=-1 x+y+3z=-3 2x-y+2z=0 - Three simple equations xzy
X-2y + 2z = -1 2x + y-z = 3 3x + 2y + z = 2 - Solve 6
Solve the following equations: x + 2y - z = 3 3x + 4y + z = 5 3x - y - z = 5 - Null points
Calculate the roots of the equation: 3 |x +4| +3 |x +5| +2 |x +4| = 30 - Hard equations
If a<b and c<d and a+b all/2 = c and c+d all/2 = b, and if d-a = 60, what is b-c? - System: 4681
Solve the system: (x + 5) (y-2) = (x-1) (y + 1) (x + 1) (y + 1) = (x + 5) (y-1) - Find d 2
Find d in an A. P. whose 5th term is 18 and 39th term is 120. - Conjugate equation
Find the numbers of a and b; if (a - bi) (3 + 5i) is the Conjugate of (-6 - 24i) - FX parabola
Determine the equation of the parabola going through the following co-ordinates (1;2), (-1;-2), and (2;7) - Angle
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - Equations: 8160
Solve a system of equations: 3x- (y + 2) / 2 = 9 (x + 2) / 5-2y = 5 - Equations 6005
Solve a system of two equations with two unknowns, x and y: 3x - 4y = 12 -x + 3y = 1 Will the sum of x + y be equal? - Linsys2
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144 - An integer
An integer is 17 more than five times another. If the product of the two integers is -6, then find the integers. - Vector perpendicular
Find the vector a = (2, y, z) so that a⊥ b and a ⊥ c where b = (-1, 4, 2) and c = (3, -3, -1) - Inverse matrix
Find out the inverse by Gauss elimination or by reduction method. A=[2/3. 1 -3. 1/3] - AP - basics
Determine the first member and differentiate the following sequence: a3-a5=24 a4-2a5=61 - Equations 18023
Solve a system of equations with four unknowns: 2a + 2b-c + d = 4 4a + 3b-c + 2d = 6 8a + 5b-3c + 4d = 12 3a + 3b-2c + 2d = 6 - Graphical 4680
Solve the system by the graphical method: x + y = 8 2x-y = 1 - Difference 3113
The difference between the two numbers is 82. The first number is eight, less than the square of the second number. Specify these numbers.
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