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Class 9 · Mathematics
→If in (y=300-bx), (y) decreases by (120) from (x=6) to (x=14), what is (b)?
Class 9 · Mathematics
→If in (y=150+ax), (y) increases by (104) from (x=7) to (x=15), what is (a)?
Class 9 · Mathematics
→If (Q(t)=250-10t), (Q(4)+Q(16)) is equal to twice which (Q(k))?
Class 9 · Mathematics
→If (P(t)=60+5t), (P(5)+P(15)) is equal to twice which (P(k))?
Class 9 · Mathematics
→If (g(x)=240-12x), when will (g(x)-g(4x)) be (144)?
Class 9 · Mathematics
→If (f(x)=9x+28), when will (f(3x)-f(x)) be (108)?
Class 9 · Mathematics
→Which model shows that y decreases by a fixed positive amount r for every one-unit increase in x, and y equals p when x=0?
Class 9 · Mathematics
→Which of the following relations represents the linear decay of a quantity at a constant rate over time?
Class 9 · Mathematics
→If (C(t)=260-8t) and (D(t)=180-15t), how does (C(t)-D(t)) change?
Class 9 · Mathematics
→If (A(t)=44+6t) and (B(t)=70+11t), how does (B(t)-A(t)) change?
Class 9 · Mathematics
→If (S(x)=s-9x) and (S(4)-S(12)=72), which conclusion is correct?
Class 9 · Mathematics
→If (R(x)=90+mx) and (R(11)-R(5)=78), what is (R(0))?
Class 9 · Mathematics
→For which (k) will (y=260-(k-4)x) show linear decay?
Class 9 · Mathematics
→For which (k) will (y=55+(k-7)x) show linear growth?
Class 9 · Mathematics
→If (p(x)=220-12x) and (q(x)=76+4x), what is (x) for (p(x)=q(x))?
Class 9 · Mathematics
→If (p(x)=35+7x) and (q(x)=10x-4), when will (p(x)) and (q(x)) be equal?
Class 9 · Mathematics
→If (Z(x)=b-10x) is linear decay and (Z(2)+Z(7)=130), what is (b)?
Class 9 · Mathematics
→If (Y(x)=a+8x) is linear growth and (Y(3)+Y(9)=180), what is (a)?
Class 9 · Mathematics
→If (K(t)=210-7t), what is (K(2t)-K(5t))?
Class 9 · Mathematics
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