# Equation + system of equations - math problems

#### Number of problems found: 502

• Null points
Calculate the roots of the equation: ?
• Non linear eqs
Solve the system of non-linear equations: 3x2-3x-y=-2 -6x2-x-y=-7
• Substitution
solve equations by substitution: x+y= 11 y=5x-25
• Hyperbola equation
Find the hyperbola equation with the center of S [0; 0], passing through the points: A [5; 3] B [8; -10]
• Parabola 3
Find the equation of a parabola with its focus at (0,2) and its vertex at the origin. ?
• Parabola
Find the equation of a parabola that contains the points at A[6; -5], B[14; 9], C[23; 6]. (use y = ax2+bx+c)
• Touch x-axis
Find the equations of circles that pass through points A (-2; 4) and B (0; 2) and touch the x-axis.
• Find the 13
Find the equation of the circle inscribed in the rhombus ABCD where A[1, -2], B[8, -3] and C[9, 4].
• Quadratic function
Write the equation of the quadratic function which includes points A (-1, 10), B (2, 19), C (1,4)
• There
There is a triangle ABC: A (-2,3), B (4, -1), C (2,5). Determine the general equations of the lines on which they lie: a) AB side, b) height to side c, c) Axis of the AB side, d) median ta to side a
• Line
Write an equation of a line parallel to To 9x + 3y = 8 That Passes Through The Point (-1, -4). Write in form ax+by=c.
• Geometric sequence 5
About members of geometric sequence we know: ? ? Calculate a1 (first member) and q (common ratio or q-coefficient)
• Linear function
What is the equation of linear function passing through points: a) A (0,3), B (3,0) b) A (-2,-6), B (3,4)
• Find d 2
Find d in an A. P. whose 5th term is 18 and 39th term is 120.
• Product
The sum and the product of three integers is 6. Write largest of them.
• The ratio
The ratio of two numbers is 4, their sum is 75. Determine both numbers.
• Have solution
The sum of four consecutive even numbers is 92. Determine these numbers.
• Algebrogram
Solve algebrogram: mama+anna=vari How many solutions are?
• Geometric sequence
In the geometric sequence is a4 = 20 a9 = -160. Calculate the first member a1 and quotient q.
• Internal angles IST
Determine internal angles of isosceles trapezium ABCD /a, c are the bases/ and if: alpha:gamma = 1:3

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