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If (p+q)^(2)=78 and (p-q)^(2)=50, what i...

If `(p+q)^(2)=78 and (p-q)^(2)=50`, what is the value of pq?

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ENGLISH SAT-SAT MATH STRATEGIES-EXAMPLE
  1. if x-y=y+3=7, what is the value of x?

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  2. If 3u+w=7 and 3k-9u=2, what is the value of w+k?

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  3. If (p+q)^(2)=78 and (p-q)^(2)=50, what is the value of pq?

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  4. if 2x-3y=10, what is the value of (4^(x))/(8^(y))?

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  5. If 1/(2)a+(2)/(3)b=5, what is the value of 3a+4b?

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  6. A population of rabbits doubles every 48 deays according to the formul...

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  7. if p and q satisfy 2y^(2)+y21 and p gtq, which of the following is the...

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  8. An acute angle of a right triangle measures x radians. Which of the fo...

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  9. (2-sqrt(-9))(1+sqrt(-16))=x+yi" "("Note: "i=sqrt(-1)) In the equa...

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  10. a quandratic function and a linear function are graphed in the xy-plan...

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  11. If function h is defined by h(x)=ax^(2)-7 and h(-3)=29, what is h((1)/...

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  12. if functionn f is defined by f(x)=3x-4, then f(-2x)=

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  13. The graph of function f over the interval -5 le x le 5 is shown I the ...

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  14. Based on the graph in the previous example, which of the following sta...

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  15. The table above shows a few values of the linear function f. which of ...

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  16. Functiuon g is related to function f by the equation g(x)=f(x-1)-2. If...

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  17. g(x)=2^(x) h(x)=8x^(2) if functions g and h are defined in the abo...

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  18. A parabola y=ax^(2)+bx+c with a gt0 passes through the points (-2,3)(p...

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  19. the graph of f(x)=-0.5x^(2)+x+4 in the xy-plane is the parabola shown...

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  20. I. f9x) is divisible by x-. II in the interval Oltx lt6, exactly oe ...

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