exam
Maths Puzzle
Numerical Ability
18/c = 2/7
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exam Other Question
Find the x-intercepts.
y = x^2 + 2x - 15
Please show the step-by-step process to complete this problem. Thank you.
solve the following system of equations using matrices
x-y+4z=6
2x+z=1
x+5y+z=-9
is it (0, 1, -2)??